Chase, I don't think there are any restrictions other than paying.
I asked the AC a couple of years ago about a la carte visits and they told me they are happy to do at $50 per. I don't think it has gone up any. But, in any event that's 8 visits while you are making up your mind!
I stick by my original statement. No way would I SELL my miles at 1 cent per! The only way that would make sense would be if you use your miles for short haul domestics or for otherwise cheap fares. I have 400k and I am not abt to give up 40k for AC.
"How would you like to pay for your Admirals Club Mr. 4miles: Cash or credit card?"