I had a long thigh lift in early december and it was totally worth it. Even I was worried about the higher risk of incision reopening and infection that would be associated with it but the procedure gave good results. Before you take the procedure, learn about the thigh lift procedure, it's do's and dont's etc. This article might be helpful for you in that case.
http://www.sliwinplasticsurgery.com/blog/thigh-lift/the-dos-and-donts-following-a-thigh-lift/