Get top-tier status in the Sands Rewards Lifestyle program, which gives free attraction tickets, free parking, and additional benefits during staycations.
I wrote about the Standard Chartered free $188 promotion that you can leverage when you sign up for a Bonus$aver account and plonk $50,000 in.
If you don't have $50,000 lying around, there are other free money opportunities for you still. Dave on the comments informed me that there was another...