Counting our current 5th wheel, my wife and I have owned 5 RV's. The previous 4 were all TTs and were all bought new. This is our 1st 5th wheel and our 1st used RV. My advice would be to do a lot of looking (online, dealers, RV shows, etc.) before buying so that you will know what you like and what works for you. In our case, we had a list of what we wanted when we went shopping. The things that were important to us when looking for our 5th wheel were: comfortable chairs; opposing slides in the living area so there would be lots of room when setup; large rear window and as many other windows as possible; access to kitchen and bathroom when all slides are in for traveling; lots of storage space inside and out; insulation so we could camp in moderately cold weather; large shower, etc. As far as buying used, we intentionally bought used this time so we could get a better-built RV. We did buy an extended warranty, but we did not renew when it expired. We absolutely love our Coachmen and have found that there is very little we would change about it.