Since you would be compensating the member for the reservation, you would not be entitled to any DVC perks or privileges, other than those dining and shopping perks you can get just because you have the Blue Member card. But any that require you to have a reservation through DVC to obtain, such as the free internet and pool hopping, you won't be entitled to.
If the member who makes your reservation doesn't tell MS that you are renting then you might get free internet. That way you would be treated as a member's guest. The renting member is supposed to tell MS that you are a renter but some intentionally do not tell MS so their renter will have the perk or sometimes they just forget to tell MS.