Every pool company eventually has the argument with itself: do we bill a flat monthly price or charge for each visit we complete? Both are common, both work, and the wrong choice for your market will cost you either cash flow or customer trust. The decision affects how you handle five-week months, rain days, locked gates and extra chemicals, so it is worth making on purpose instead of by default. This post compares the two with example numbers and shows how to run either one without spending a day each month building invoices.
How flat monthly works
With flat monthly billing, the customer pays the same amount every month for weekly service. The usual way to set the price is to take the weekly rate, multiply by 52 weeks, and divide by 12. A $40-per-visit pool becomes about $173 a month. Some months have four service days, some have five, and over a year it evens out.
Customers like flat monthly because it is predictable, like a utility bill. Owners like it because the money arrives on the same day every month regardless of weather. The downside is explaining it. A customer who notices you skipped a week for a storm may ask why they paid the full month. Your agreement needs to say what happens with missed visits, whether they get made up later in the week or credited.
How per-stop billing works
With per-stop billing, each completed visit is billed at the weekly rate. A month with four Tuesdays bills four visits and a month with five bills five. If a visit is skipped for weather, it is not billed unless made up.
Per stop is easy to defend because the bill matches the work exactly. It also suits markets where service days get disrupted often. The downsides are uneven cash flow, more frequent charges on the customer's card if you bill each visit, and customers being surprised by the five-visit months. Some companies solve the last one by billing per stop but sending one monthly statement.
Example: the same pool both ways
Take an illustrative pool at $40 a visit with chemicals included. On flat monthly, the customer pays about $173 every month, $2,080 a year. On per stop, a typical year with 52 service days bills the same $2,080, but in some months the customer pays $160 and in others $200.
Now add two skipped weeks for weather that are not made up. On per stop, the customer pays $2,000, and you lose $80. On flat monthly, the customer still pays $2,080 unless your agreement credits missed visits. That gap is why flat monthly agreements need clear terms about weather, and why per stop customers rarely complain about the bill. Neither model is more profitable on its own. The difference is who carries the risk of missed weeks.
There is also a timing difference in cash flow. On flat monthly, the full month is usually charged at the start or end of the month in one charge. On per stop with auto-charge, money arrives every week as visits are completed. Some owners prefer the weekly drip because a problem with a card shows up after one visit instead of after a full month of service.
Extras belong on top, either way
Whichever model you choose for the weekly service, extras should be billed separately: filter cleans, extra shock, green pool recovery, repairs, salt. If those are not billed, the flat monthly rate quietly absorbs them, and your best customers end up subsidizing the worst pools.
The trick is getting extras onto the invoice without relying on memory. When the tech logs the extra product or marks the extra work on the visit, it can be added to the bill as its own line. A filter clean scheduled as a separate job gets its own invoice when it is done. The chemical cost post covers deciding which chemicals count as extra.
Run it with cards on file
Collecting checks for weekly pool service is a part-time job you do not need. Ask for a card at signup, explain when it will be charged, and send a receipt each time. For per stop, the card can be charged automatically when a stop is marked completed. For flat monthly, the monthly billing period charges it on the same date each month.
Cards fail, so plan for it. Three automatic payment follow-ups and a declined-card alert let you deal with the handful of failures each month instead of chasing everyone. Plans start at $59 a month on pricing, and every plan includes card on file and auto-charge. More on payment processing is on the feature page.
Switching customers from one model to the other
If you are moving existing customers from per stop to flat monthly, or the other way, do it at a clean break, like the start of a month, and tell them in writing first. Explain the change in a sentence or two: "Starting in March, you will be billed a flat $173 each month instead of per visit. Over a year, the total is the same." Most customers accept a change that does not raise the annual cost.
Expect a few questions in the first month or two, especially from customers who notice they paid the same in a five-week month as in a four-week one. Answer each one with the yearly math. Change the billing setting on each account at the same time you send the notice, so the next bill matches what you told them.
Which to choose
If your market has steady weather and customers who value predictability, flat monthly is usually smoother for everyone, as long as the agreement covers missed visits. If your service days get disrupted often, or your customers are on the skeptical side, per stop is easier to defend. Many companies offer flat monthly as the default and per stop for customers who ask.
Whatever you choose, be consistent. Mixing models without a clear rule confuses the office and leads to billing errors. Write the model into the service agreement, set it on each account, and let the billing run from completed work. The fewer invoices someone has to build by hand, the fewer mistakes go out.
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