The PortaPro blog
Billing and pricing
Rental cycles, proration, card fees, purchase orders and the invoices that never went out.
5 posts
- 28-day billing vs monthly billing for portable toilet rentals
November 4, 2026 · 3 min read
Thirteen cycles a year or twelve. Why most portable sanitation companies bill every 28 days, when calendar months make more sense, and the mistake that happens when a rate card is on one and the company is on the other.
Read the post- The prorated first invoice: what to charge when a unit lands mid-cycle
November 4, 2026 · 3 min read
A unit placed on day nine of a 28-day cycle should not be billed for 28 days, and should not be free until the next cycle. The arithmetic, the inclusive-day rule, and the line the customer should see.
Read the post- Cash discount programs for portable sanitation companies: passing on card costs the right way
November 4, 2026 · 3 min read
A surcharge adds a fee to card payments and runs into card-network caps and state bans. A cash discount program lists the card price and offers less for cash, check and ACH. How the two differ, and how to set one up.
Read the post- Getting paid by municipalities: PO numbers, per-site invoices and the proper invoice
November 4, 2026 · 3 min read
A city's accounts payable department does not pay invoices. It pays proper invoices that match a purchase order, one budget line at a time. What that means for how you bill parks, schools and public works.
Read the post- The invoices you never sent: how to audit rate card billing every cycle
November 4, 2026 · 3 min read
A unit sitting on a site with no invoice against it is the quietest way to lose money in this business. The five ways it happens, and the one report that catches all of them.
Read the post
Other topics
- Routing and dispatch · Planning the day, running it, and finding out what did not get done.
- Running the business · Pricing, margins, growth, customers and the systems that hold it together.
- Drivers and the field · Hiring, shared truck iPads, pre-trip inspections and proof that the stop was done.
- Septic and grease · Pump-out intervals, reminder programs, licensing by state and grease trap schedules.
- Roll-off dumpsters · Tonnage, scale tickets, disposal pricing, swaps and overage days.
- Event and tent rentals · Kits, pull sheets, counted items, site plans and layouts before the truck rolls.
- Choosing software · How to compare the tools built for this industry, and what to ask on a demo.
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