Once you use the HA you will not want to use anything else. I towed with a HA with my last RV. It is a fantastic hitch.
Their lifetime warranty is something you should reconsider. The HA is a very unique contraption, buying pieces one at a time adds up quick.
19'Duramax w/hips,12'Open Range,Titan Disc Brake
BD3,RV safepower,22" Blackstone
Ox Bedsaver,RV760 w/BC20,Glow Steps, Enduraplas25,Pedego
BakFlip,RVLock,5500 Onan LP,Prog.50A surge,Hughes autoformer
Porta Bote 8.0 Nissan,Sailun S637
Correct Trax,Splendide