Originally Posted by
dcmike
When I did my *Lite RTW in 2006 this was not the case. I upgraded MUC-BKK for cash and IAD-LHR with miles. Everything else was in Y. Have the rules changed?
Of course it is up to you which segments you are willing to upgrade with miles/cash. But since the OPs routing mainly consists of long hauls and he wants to complete the RTW within ten days it is safe to assume that he might have thought about upgrading the whole thing.