10% Back On Hotels/Car Rentals Booked Through Chase Ultimate Rewards W/ Freedom

[addictedsaver]

nothing crazy but useful if anyone is planning to book hotels or car rentals thru Chase Ultimate Rewards

https://www.chase.com/ccp/index.jsp?pg_name=ccpmapp/shared/marketing/page/ultimate-rewards-freedom-10percent-offer

Earn a total of 10% cash back on up to $2,500 in combined hotel and car rental purchases made through Chase Ultimate Rewards in July.

Offer valid on purchases made July 1–31, 2016.
Applies only to hotels and car rentals booked through ChaseUltimateRewards.com.
Choose from more than 150,000 hotels—with recently lowered prices!
Purchase in July. Travel anytime.

[mord1]

I wanted to book a car through here, but- 1. you have to prepay. 2. you have to use your freedom card to prepay- which would mean- no primary insurance. Would you purchase the car rental insurance? anyone have any other ideas around this?