You do realize that saying that only makes you sound fishy, right? Regardless, no, the buyer does not have to go first nor do you. You and the buyer can just use an Official Middleman instead. The current Official Middlemen are: @Symmetrical, @HeroicXPharaoh, @FanticSteal, @Hugo Boss and @DarkLordXYZ.
You're still required to post screenshots of the account on this thread as well, so that we can be sure that you indeed own it.