[cam I pay for my premium membership with Linden]

Can I pay for my premium membership with linden I own?

if not, when I sell linden how do I get the US$

[I just paid for two weeks rent, and got a notice the owner is selling the land and for us to remove]

I just paid for two weeks rent and got a notice the owner is selling the land and for us to remove everything or possibly loose it. Shouldnt we get a refund?