For anyone contemplating mattress runs there are some Amex offers for which you may be eligible for which reduce the cost a bit.
I have all of these offers:
Spend $200 or more, get $40 back at Fourpoints.
Spend $200 or more, get $40 back at Courtyard.
Spend $200 or more, get $40 back at Springhill Suites.
Spend $200 or more, get $40 back at Fairfield Inn
Spend $500 or more, get $100 back Ritz Carlton