Share Share on Facebook Share on Twitter Pinterest Email René René de Lambert is a contributing writer and the founder of RenesPoints. He is an avid Delta and SkyTeam flyer who has held Delta’s top Diamond Medallion status for many years and flown millions of miles. Website 1 Comment David 2 years ago Reply René, I prefer to have to pay. My experience is that these systems are so unreliable that I prefer to pay. If it works, I’m happy. If it doesn’t, I call them and they credit it back to my account. Write A Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment. Notify me of new posts by email.