SaaS ideas your next customers are already looking for
100 SaaS startup ideas for the people who said they'd pay, from agency owners to dentists. Micro SaaS ideas, AI SaaS ideas and B2B SaaS ideas: find yours, build it, sign them up.
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Pain points in business: what people struggle with
Search the problems to solve, as people described them on Reddit and other platforms, in their own words.
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Job Profit Reports for Contractor Bookkeepers
Monthly job profit and WIP reports from QuickBooks, built for bookkeepers.
Contractors see a job's real profit only after it ends, and bookkeepers redo WIP by hand. This tool builds both monthly from QuickBooks.
The evidence
Score: 29 out of 100
- No opening found
- 51 pay or would pay
- 321 people describe it
- 71% hit it at least weekly
- 1.8K upvotes on their posts
Knowify courts the same bookkeepers with WIP and free client licenses; QuickBooks often lacks contract and cost-to-complete data.
In their words
QBO doesn't have a built in WIP report so everything ends up manually in Excel every month.
How do you track estimates, invoices and actual job profit for service business? $200/mo software too expensive
What are the biggest challenges you face when trying to know the actual profit or loss of a project?
The tools that already cover it
- Knowify: Real-time WIP only on Advanced. Markets to accountants and runs a certified advisor program, so the bookkeeper channel is not open. One reviewer cites missing phase-level reports.
- Contractor Foreman: WIP, job costing and QuickBooks integration on every plan, but it is a field system to adopt; reviewers call forms restrictive and scheduling weak (836 reviews, 4.5 of 5).
- JobTread: Built for small remodelers; reviewers cite limited report customization. A full system, not a bookkeeper tool.
- Buildertrend: Heavy residential builder suite; reviewers call it hard to learn and costly.
- Planyard: Budget vs actual and profit forecasts with QuickBooks sync, but priced per project manager and not built around the bookkeeper.
- QuickBooks Online Plus and Advanced: Advanced pricing page lists 'Construction financials solution' and 'Advanced project financials' as new; this is the threat to watch.
- Fathom (bookkeeper reporting): No job costing or WIP on pages checked. Shows bookkeepers' price anchor for client reporting is about $18 per client, far below $79.
- LiveFlow: Site lists 'Job costing & multi-project' for construction; lets a bookkeeper build their own live spreadsheet, which is the do-it-yourself path this idea replaces.
- Procore and Foundation Software: Sold through sales calls to bigger firms; no list price, partner access needed to integrate.
How it was challenged
- Wedge demand is thin: about 20 of 81 posts fit job costing, most are owners and project managers, not bookkeepers. Only one accountant thread supports the buyer you chose.
- $79 per client is about 4x what bookkeepers pay Fathom for general reporting ($450 for 25 companies, $18 each). The one accountant quoted sells a one-time setup, not a subscription.
- Knowify already courts this exact buyer: it markets WIP to accountants, claims accountant-approved status in the QuickBooks marketplace, and offers free client licenses to certified advisors.
- Bookkeepers can now build this themselves with AI and a QuickBooks export; the r/Accounting thread is about people automating it already, not buying a tool.
- A WIP report needs contract values and estimated cost to finish, which QuickBooks may not hold. Errors reach sureties and lenders; ceiling is about $228k ARR at 40 firms.
The pain point it solves: Slow Construction Estimating
Construction estimators and contractors waste days on error-prone spreadsheet-based estimating, quoting, and proposal work that delays bids and erodes profit.
Construction estimators and contractors
Where they talk
- r/estimators
- r/Contractor
- r/GeneralContractor
- r/Construction
- r/landscaping
- r/adjusters
- r/ConstructionManagers
- r/RepairShopOwners
Tools they use today
- Excel
- QuickBooks
- Bluebeam
- Claude
- Google Sheets
- Word
- Xactimate
- OST
Why those fall short
- clients refuse to share budget; AI quotes ignore local rates and scope
- lack of tools; unrealistic expectations
- spreadsheets became a nightmare to keep organized with daily variables
- writers guess labor times, miss op codes and parts, techs must double-check
- too complex for others to use, audits and edits are not fun
Map of ideas
Drawing the map…





