With TrekkSoft is now possible to apply different prices to rentals as the time goes by, like you expect a Rental to work.
How do we do this?
Once you've created a Price Category under a Rental Schedule, you can unfold the drop-down and locate the Rental Rules option:
By clicking on it, you'll get the following form:
In this example, 1 time slot is 1 hour, so if my end customer books 4 hours with this logic:
40+40+30+30= 140€ for 4 hours rental.