Do you gamble Ron? Like, at all? I am *not* a high roller, or even close & I'm fully comped for nearly every stay at every Ceasars Hotel except Palace & Cromwell.
Sign up for the Casino Rewards Card of your choice use it for everything every time you go (and book direct), then enjoy & book your free (or heavily discounted) rooms when your offers arrive, which they will often.
Or, regular Credit Card rewards.
I mean, even forgetting all that ^, on TRIVAGO right now, rooms for Dec 18-22:
MGM: $37
Harrahs: $38
Flamingo: $48
Mirage/Paris/PH: $70
Aria: $129
Cosmo: $145
...I mean, that's a LOT of work left to get to 10K, or even 5K, for a 3.5 day (4 night) trip. I certainly won't, but Different strokes I guess. Enjoy your suites, limos, strip clubs, shopping sprees, bottle service, and tasting menus.