This water slide can be rented with or without a pool. If you need it without a pool it must be used with an underground pool. Rock Rental charges 5% for credit card payments, no additional charge if paid by cash or check. Rock Rental's delivery fee is based on $2.00 per mile round trip without a trailer and the travel fee for 1 vehicle towing a trailer is $2.50 per mile one round trip from El Cajon with a zip code of 9202. If the location does not have a power source within 100 feet of the back of the unit, you will need to add a generator to your reservation.