Simply put... He went to the AMP because there was less risk (in hindsight... an assumption that didn't hold up lol). If he has his own masseuse, he would have to pay her either on salary or contract. That is a paper trail but also... He has to pay her good or to keep quiet. Keep in mind that what happend to the late Stan Lee (accused of assult in Chicago 2018 by a contracted masseuse). Kraft tried to keep if simple but obviously... Florida had very different ideas.