Pain library
Problems that need solving, by market
Problems we keep finding in public sources while searching for solo-founder ideas, browsable across 13 markets. Each one says where we found it and links to the page whenever we captured it — open the source before you build on it.
One recurring problem in each market
Counted on 2026-09-29 across the 1,823 problems we had recorded, largest count first. Each count is how many of the problems recorded in that market carry the theme.
Invoicing & payments: collections, dunning or late payment
41 of the 347 problems recorded in this market carry this theme
An example we picked: Chasing late and unpaid invoices with no automated reminder workflow
saashub.com ↗ · from a real page · last seen 2026-09-08
Client onboarding & hand-off: onboarding or intake
40 of the 75 problems recorded in this market carry this theme
An example we picked: Onboarding tasks and reminders need repeated nudges so clients stay on track.
rocketlane.com ↗ · from a real page · last seen 2026-07-19
Booking & scheduling: no-shows, reminders or attendance
28 of the 313 problems recorded in this market carry this theme
An example we picked: No-shows and late cancellations hurt revenue without automated reminder systems
saashub.com ↗ · from a real page · last seen 2026-07-15
Freelancer & solo back-office: time tracking
23 of the 631 problems recorded in this market carry this theme
An example we picked: Tracking time across multiple clients and projects is hard, especially when switching between tasks.
timingapp.com ↗ · from a real page · last seen 2026-07-19
Contractor & trades: quotes or estimates
22 of the 124 problems recorded in this market carry this theme
An example we picked: Spending 10–20 hours a week driving out to jobs and walking through homes just to make free estimates.
reddit.com ↗ · from search · last seen 2026-07-19
Coaching & consulting: retention, renewals or rebooking
18 of the 203 problems recorded in this market carry this theme
An example we picked: Manual follow-up for renewals, check-ins, and reactivation is easy to miss, causing clients to go cold.
nicereply.com ↗ · from a real page · last seen 2026-07-19
Lead & sales follow-up: speed to lead or response time
17 of the 293 problems recorded in this market carry this theme
An example we picked: Forms and inquiries can sit unanswered, causing lead loss.
myna.cx ↗ · from a real page · last seen 2026-07-19
E-commerce operations: reviews or social proof
15 of the 299 problems recorded in this market carry this theme
An example we picked: Review/UGC apps are seen as expensive or overbuilt, driving merchants to seek alternatives
saashub.com ↗ · from a real page · last seen 2026-08-09
Fitness & wellness: programs, progress or workouts
12 of the 71 problems recorded in this market carry this theme
An example we picked: Trainers need simple, mobile-first way to deliver workout programs to remote/online clients
saashub.com ↗ · from a real page · last seen 2026-07-15
SaaS metrics & analytics: MRR, recurring revenue or metric trust
12 of the 110 problems recorded in this market carry this theme
An example we picked: Store owners need a simple way to track recurring revenue trends and core KPIs without building BI dashboards.
databox.com ↗ · from a real page · last seen 2026-07-19
Content & creator: repurposing
9 of the 201 problems recorded in this market carry this theme
An example we picked: Repurposing workflows often do not actually save time and add overhead.
reddit.com ↗ · from search · last seen 2026-07-19
Real-estate & property: leads, after-hours or follow-up
9 of the 37 problems recorded in this market carry this theme
An example we picked: Solo agents lack simple, single-user open-house lead capture without buying a full team-oriented platform
saashub.com ↗ · from a real page · last seen 2026-07-16
Small-agency operations: client reporting
8 of the 205 problems recorded in this market carry this theme
An example we picked: Client reporting takes too much manual effort and varies by team member.
reddit.com ↗ · from search · last seen 2026-07-19
Which theme stands for each market is our reading of the labels our sweeps wrote, and each example was picked by hand, preferring a source that still opens — so the examples lean towards pages we read in full, while most of the library was only seen in search results. An example is our sweep's own line for that source, not a quotation; some sources are forum threads, others product listings and vendor pages, where the gap shows in what is being sold rather than in a customer's own words. A problem can sit in more than one market, so the market counts overlap, and 220 of the 1,823 sat in none of them. The market pages below are live and keep growing, so their totals can be higher than these. The same 13 problems, each turned into a product direction, are on the micro SaaS ideas page; what makes a problem worth a business is in how to spot a business opportunity.
The problems, by market
Booking & scheduling pains
313 problems sourced
How solo operators lose hours and revenue to manual booking, calendar juggling, no-shows and scheduling back-and-forth, recorded from public pages.
See the pains →Invoicing & payments pains
347 problems sourced
Late invoices, chasing payments, reconciliation and billing friction that eat the back-office time solo founders don't have, each with a source link.
See the pains →Freelancer & solo back-office pains
631 problems sourced
The scattered admin, tool sprawl and operational overload that freelancers and one-person businesses keep running into, recorded from public pages.
See the pains →Client onboarding & hand-off pains
75 problems sourced
Onboarding a client, keeping them updated and handing work over: the coordination that costs solo service businesses repeat work, recorded from public pages.
See the pains →Content & creator pains
201 problems sourced
The content-production grind for solo creators and operators: repurposing, publishing overhead and the tooling gaps behind them, recorded from public pages.
See the pains →E-commerce operations pains
299 problems sourced
Store operations, conversion and revenue leaks that independent e-commerce operators keep hitting, each with a clickable source you can read yourself.
See the pains →Lead & sales follow-up pains
293 problems sourced
Chasing leads, messy pipelines and dropped follow-ups that cost solo founders and small teams real revenue, recorded from public pages.
See the pains →Coaching & consulting pains
203 problems sourced
The drag behind a one-person coaching or consulting practice: scheduling programs, packaging offers and running sessions, recorded from public pages.
See the pains →Small-agency operations pains
205 problems sourced
Retainers, client work, and deliverable hand-offs that a lean agency keeps tripping over — collected across markets, each grounded in a documented source.
See the pains →SaaS metrics & analytics pains
110 problems sourced
The reporting and analytics gaps solo SaaS founders keep hitting: churn, MRR and dashboards that never quite tell the truth, each with a source link.
See the pains →Contractor & trades pains
124 problems sourced
Back-office and field-service friction for independent contractors and home-services trades, from quoting to running a crew, recorded from public pages.
See the pains →Fitness & wellness pains
71 problems sourced
What independent trainers, studios and wellness operators keep struggling with, from client management to session tooling, recorded from public pages.
See the pains →Real-estate & property pains
37 problems sourced
Listings, tenants and property-management workflows that solo agents and small landlords keep fighting, each grounded in a source you can check.
See the pains →Common questions
What problems need solving right now?
The ones that keep coming up on public pages and that people already spend time or money working around. In the list on this page, the largest count on 2026-09-29 is collections, dunning or late payment in invoicing & payments: 41 of the 347 problems recorded there carry that theme. Each market page shows the problems recorded there, up to a cap, with where each one came from.
How do you know a problem is real and not invented?
Every problem here was recorded by WhittleOS from a public page and is labeled with how we saw it: "from a real page" when we read the whole page, or "from search" when we saw the search result but not the page. Some sources are forum threads; many are product listings and vendor pages, where the gap shows in what is being sold rather than in a customer's own words. Open the link before you build on it. What no source can tell you is whether anyone will pay to fix the problem; that takes a test.
From a problem to an idea
For a market that is not listed here, the free Pain Receipts search looks through the same recorded problems for whatever you type — no signup. When we have not recorded a market it says so, or shows the closest rows it has, marked as a partial match. To have ideas found for you, a Discovery run searches your market, drops the ideas it cannot tie to a problem it actually found, and returns up to 5, scored against your profile. One market costs 2 credits from a paid pack; the free signup credits do not cover a Discovery run.
Came here looking for a business idea generator? Why we start from problems instead — with the same search built in. And a problem on its own is not a decision: whether it is worth building against depends on what it can be charged for and what it costs to support. The answers library works through those questions one at a time, and a scored shortlist shows where they lead.