I've tried to research this but, not much discussion. I received corporate offer from Mandalay Bay. 3 comp nights in a suite $600 in resort credits $350 in free slot play VIP Check in Limo to and from the airport I emailed back and advised that I am bringing parents and would need another room & 5 nights. He responded that I have 3 options... 5 nights comp in a 2 bed suite at THE HOTEL $600 in dining $350 in free slot play VIP and limo OR 5 nights comp in a 2 bedroom suite at Mandalay Bay - $0 in dining $350 in free slot play VIP and Limo OR 3 nights comp/2 nights pay in a 2 bedroom suite ($805 total) $600 in dining $350 in freeplay VIP and limo I chose...5 nights comp in a 2 bedroom suite at Mandalay Bay - $0 in dining $350 in free slot play VIP and Limo I saw on Mlife site that I had an offer from Luxor for 5 nights, $450fp & $200food. I, also, booked that. Anyone else done this? Have you encountered a problem? Is there a reason this is "discouraged"?