OFFER THEM A SHARE OF ANY PRICE APPRECIATION IN THE BITCOIN THEY PAY YOU FOR UPTO SOME TIME PERIOD AFTER THEY PAY IT… I USE SIX MONTHS AND A 50% SPLIT 

 Excellent idea! But I'm guessing I shouldn't offer the a refund for any price depreciation?  

 Any price volatility to the downside is on the landlord for sure 

 It’s no different than you buying bitcoin with your profit