Create your own travel agency LLC, get with a host agency for all you mentioned plus more and get commissions on your own travel, and write off all your travel expenses. That's what we actually did when it was clear we would be traveling as a life style.
So, a bit more to the story, but essentially control is key and TA benefits aren't worth losing that control in our opinion. So, we did as mentioned and get the best of both worlds. We are our own TA.