I think it is what you are comfortable with. The right thing to do though is probably to have them installed while on the road.
Having said that, we have never used ours and have pulled the trailer across Canada twice from coast to coast. Have done BC, Yukon and Alaska.... and more. All in all probably 70,000 plus km or 40,000 plus miles, never had a problem even on some of the roughest roads.
Cortes Island, BC. Canada
Pony: 2008 Dodge 3500 Laramie, 4x4, Quad Cab
Harness: Hijacker 24-AS-18 Autoslide, Demco Glide Ride Pin Box
Chuckwagon: 2011 Rockwood 8265WS