Picking up new Catalina 273dbs this week. Advice please

[G-reg]

My family will be picking up our new Catalina 273dbs this Tuesday. I would love any advice on additional items I might want to add or advice for a possible step up in wd hitch with sway(currently using husky round bar and considering the husky centerline TS).

I will have their techs dealing with this tt so I want to make the best of it at the time!

Considering completing the rear camera prep with the Furrion monitor as well.

I know this seems like a wide open question but the fact is its much different than picking up a new car.