Mileage cost from $.40 cents to $.80 per mile beyond 100 free miles per day based on number of days rented and total miles traveled. Generator use is 4 hours free per day then $4 per hour after. Security Deposit will be equal to your personal insurance deductible or $1000. No cost for insurance when you add the coach to your insurance by way of a binder.* Standard convenience charges are: $75 for prep with safety instructions. $125 for interior and exterior cleaning including dumping and sanitizing holding tanks..