When is it cheaper to rent a 500 Gallon Water Trailer by the week than by the day?

From day 3. 3 days at the $165 day rate would be $495, but the weekly rate caps it at $425.

When is it cheaper to rent a 500 Gallon Water Trailer on the 28-day rate?

From day 10. At that point the week-and-day composition reaches the $850 28-day rate, and the price stops climbing for the rest of the cycle.

Break-even duration

Equipment rents on three rates — a day rate, a week rate and a 28-day rate — and the cheapest one changes as the job runs long. This finds the two days where it changes, on a real listing’s real published rates.

500 Gallon Water Trailer

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2Quip Corp - DBA RME & 2QUIP.AI · Tanks - Miscellaneous

Day: $165
Week: $425
28 days: $850

Daily stops winning on

day 3

3 days at the day rate would be $495. On the week rate it is $425.

Weekly stops winning on

day 10

10 days at the day rate would be $1,650. On the 28-day rate it is $850.

The working

Whole weeks bill at the week rate; the leftover days bill at the day rate but never add up to more than one extra week; and a whole 28-day cycle never costs more than the 28-day rate. That is the rule, applied one day at a time.

Rental price by duration for 500 Gallon Water Trailer, days 1 to 35
Days	At the day rate	On the ladder	Difference	Rate in play
1	$165	$165	—	day
2	$330	$330	—	day
3	$495	$425	you save $70	week
4	$660	$425	you save $235	week
5	$825	$425	you save $400	week
6	$990	$425	you save $565	week
7	$1,155	$425	you save $730	week
8	$1,320	$590	you save $730	week
9	$1,485	$755	you save $730	week
10	$1,650	$850	you save $800	28-day
11	$1,815	$850	you save $965	28-day
12	$1,980	$850	you save $1,130	28-day
13	$2,145	$850	you save $1,295	28-day
14	$2,310	$850	you save $1,460	28-day
15	$2,475	$850	you save $1,625	28-day
16	$2,640	$850	you save $1,790	28-day
17	$2,805	$850	you save $1,955	28-day
18	$2,970	$850	you save $2,120	28-day
19	$3,135	$850	you save $2,285	28-day
20	$3,300	$850	you save $2,450	28-day
21	$3,465	$850	you save $2,615	28-day
22	$3,630	$850	you save $2,780	28-day
23	$3,795	$850	you save $2,945	28-day
24	$3,960	$850	you save $3,110	28-day
25	$4,125	$850	you save $3,275	28-day
26	$4,290	$850	you save $3,440	28-day
27	$4,455	$850	you save $3,605	28-day
28	$4,620	$850	you save $3,770	28-day
29	$4,785	$1,015	you save $3,770	day
30	$4,950	$1,180	you save $3,770	day
31	$5,115	$1,275	you save $3,840	week
32	$5,280	$1,275	you save $4,005	week
33	$5,445	$1,275	you save $4,170	week
34	$5,610	$1,275	you save $4,335	week
35	$5,775	$1,275	you save $4,500	week

Rental rates only. Protection and the marketplace service fee are added on top — see the checkout figure below.

What checkout will quote you

Rental · 10 days: $850
Rental protection (RPP): $127.50
Estimated total: $977.50

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The numbers come from one operator’s published rates, so the tool needs to know whose.

Where these numbers come from

The rates are the operator’s own, read live from their listing. The arithmetic is the same best-price billing engine that produces 2Quip invoices — not a second copy written for this page — run on the industry-standard terms: a 28-day cycle, whole weeks at the week rate, leftover days at the day rate capped at one more week.

An operator can agree different terms on an individual rental, and a long rental bills per 28-day cycle rather than in one lump. So treat this as what the rate card says, and the operator’s quote as what you are agreeing to.