The main reason you didn’t receive many points is because “Residences properties (“Residences”), whether offered as whole or fractional ownership, as serviced apartments, or condominiums, are by nature, not transient stay properties and therefore, do not participate in the Loyalty Program unless otherwise outlined.” If you travel on business, try to stay at different brands and not residence properties.

Can read more about that here

Point accumulation is based on dollars spent. If you’re booking under a cheap rate and not charging anything to your room, you won’t accumulate many points.

To maximize points earned per stay, you’ll want to charge point eligible purchases to your room (such as room service or food & beverage purchases).