AARP yes
Probably. Almost all Marriott brands have either AAA and/or AARP, if you belong to either of these. Be careful, though, as those are not always the lowest rate offered. Easiest to compare rates on Marriott website.
No but its sucks
Yes normally, also AARP, or AAA.
Not sure but you can call and ask
I'm not sure sorry.
Thanks! Your answer is awaiting moderation.