Quote
qty × rate + fee calculators with trade/clinic/field starters and shareable links.
Founding $9/ mo
Open systemMarkets
Trades & field service
Quote faster, chase invoices, keep the phone for real work.
WhatsApp math and unpaid invoices eat the week.
Systems for this market
Chase
Invoice follow-ups that escalate from polite to firm until you get paid.
Founding $12/ mo
Open systemRelay
Lead → offer → follow-up operating system installed for service businesses.
Founding $599 one-time
Open systemHooks
- Locked formulas beat ChatGPT improvisation
- Invoice chase without the awkwardness
SEO: contractor quote calculator · field service invoice follow up · hvac estimate tool