Join Date: Aug 2011
Location: Barcelona, London, on a plane
Programs: IB+ Gold, TK E+, Hyatt Globalist, Marriott LTP, IHG Diamond
Posts: 14,209
This is a bad idea. You will hand over money for a ticket that may or may not still be valid on the date of your flight.
The only way it ever works is if you legitimately have a family member, friend, co-worker, etc. who is willing to use their miles to book a flight for you.