When is it cheaper to rent a gooseneck trailer 21' by the week than by the day?

From day 4. 4 days at the $135 day rate would be $540, but the weekly rate caps it at $515.

When is it cheaper to rent a gooseneck trailer 21' on the 28-day rate?

From day 24. At that point the week-and-day composition reaches the $1,850 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.

gooseneck trailer 21'

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Dustin carroll · Flatbed

Day: $135
Week: $515
28 days: $1,850

Daily stops winning on

day 4

4 days at the day rate would be $540. On the week rate it is $515.

Weekly stops winning on

day 24

24 days at the day rate would be $3,240. On the 28-day rate it is $1,850.

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 gooseneck trailer 21', days 1 to 35
Days	At the day rate	On the ladder	Difference	Rate in play
1	$135	$135	—	day
2	$270	$270	—	day
3	$405	$405	—	day
4	$540	$515	you save $25	week
5	$675	$515	you save $160	week
6	$810	$515	you save $295	week
7	$945	$515	you save $430	week
8	$1,080	$650	you save $430	week
9	$1,215	$785	you save $430	week
10	$1,350	$920	you save $430	week
11	$1,485	$1,030	you save $455	week
12	$1,620	$1,030	you save $590	week
13	$1,755	$1,030	you save $725	week
14	$1,890	$1,030	you save $860	week
15	$2,025	$1,165	you save $860	week
16	$2,160	$1,300	you save $860	week
17	$2,295	$1,435	you save $860	week
18	$2,430	$1,545	you save $885	week
19	$2,565	$1,545	you save $1,020	week
20	$2,700	$1,545	you save $1,155	week
21	$2,835	$1,545	you save $1,290	week
22	$2,970	$1,680	you save $1,290	week
23	$3,105	$1,815	you save $1,290	week
24	$3,240	$1,850	you save $1,390	28-day
25	$3,375	$1,850	you save $1,525	28-day
26	$3,510	$1,850	you save $1,660	28-day
27	$3,645	$1,850	you save $1,795	28-day
28	$3,780	$1,850	you save $1,930	28-day
29	$3,915	$1,985	you save $1,930	day
30	$4,050	$2,120	you save $1,930	day
31	$4,185	$2,255	you save $1,930	day
32	$4,320	$2,365	you save $1,955	week
33	$4,455	$2,365	you save $2,090	week
34	$4,590	$2,365	you save $2,225	week
35	$4,725	$2,365	you save $2,360	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 · 24 days: $1,850
Rental protection (RPP): $277.50
Service fee: $185
Estimated total: $2,312.50

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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.