Moderator, Marriott Bonvoy & FlyerTalk Evangelist
Join Date: Oct 2002
Location: McKinney, TX, USA
Programs: United Silver; AA Plat/2MM; Marriott LT Titanium; Hilton Gold
Posts: 11,772
1. No RIs don't cap points awarded.
2. No, Marriott long term stay properties like RIs only acrue base points at 5pts/$ (This is why you received half the points you were expecting.)
3. You will only get 5 pts/$ on the room rate, nothing for incidentals.