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SaaS ideas, mined from what people actually complain about.

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Job Costing Blind Spots

Contractors and their accountants lack reliable per-job cost tracking, causing profit blind spots and pricing errors.

In their words

We need bookkeeping, payroll, time clock, a risk cost centers/codes, and job costing at a minimum, preferably with a single platform.

r/QuickBooks on Reddit

We have a lot of inventory movement—materials being received, loaded out to jobs, used in the field, and unused materials returned to the warehouse.

r/InventoryManagement on Reddit

every now and then I lose a receipt or forget something, and I'm starting to worry about tax season

r/SmallBusinessCanada on Reddit

Accounting is my weakness. Pay someone to keep my books in order.

r/Contractor on Reddit

Now we have duplicate entries and more work.

r/Accounting on Reddit

I have no way to allocate invoice line item revenue to a specific Project

r/quickbooksonline on Reddit

work is going well quality wise, but way slower than expected, funds are running low, payroll and other bills are coming soon, draw payments are about a week out

r/Contractor on Reddit

We also don’t utilize accounting software correctly so I have multiple excel sheets for cost tracking, COs, etc.

r/ConstructionManagers on Reddit

Timesheets and job costs don't make it to the ledger tied to a job. So manual data entry needs to be done.

r/ERP on Reddit

say a charge shows up and then I am trying to remember which project it belonged to and who picked up the materials or if the receipt ever made it back to the office

r/GeneralContractor on Reddit

Any 2026 "projection" I provide today would honestly be more of an educated guess than a real forecast.

r/growmybusiness on Reddit

Screwing up estimates, miscommunication with customers, rework. So much rework.

r/Carpentry on Reddit

Contractors and accountants

Where they talk

  • r/Contractor
  • r/Accounting
  • r/Construction
  • r/smallbusiness
  • r/GeneralContractor
  • r/ConstructionManagers
  • r/ConstructionMNGT
  • r/quickbooksonline

Tools they use today

  • QuickBooks
  • Excel
  • Sage
  • Buildertrend
  • Xero
  • Procore
  • WhatsApp
  • Claude

Why those fall short

  • raw data never compared against what was bid; pieces don't talk to each other
  • QBO reports limited; upgrade to Enterprise too expensive; construction software $650-$3 500/mo
  • contract profit calculations don't align with how the system is designed
  • Jobber integration does not handle fully burdened job costs or complex expense data
  • QBDT contractor edition phased out; exploring other options