I'm switching over to Avis for most rentals from Alamo and I'm trying to figure out if rentals that earn airline miles will still qualify as one of the 12 rentals for Avis First (yes I have preferred service). I know that once you're in Avis First that if you get airline miles those rentals don't count towards the free weekend certificates. But do airline miles keep you from qualifying for First in the first place? There aren't any restrictions listed on the Avis site that I can find, but I was hoping someone could tell me what their experience was. (I tried searching but... Thanks.