Most (maybe all) of the Georgetown line are equipped with a 5000lb rated hitch.
That's the limit for towing.....dolly, misc toys, trailer or whatever.
The lifts that you mention you've seen on the back of other coaches, were probably on the back of diesel rigs........equipped with a much more robust hitch...maybe even 10,000lb.
I think you're looking at too many toys for your Georgetown, but let's see what others say.
Ken and Terry
2010 Georgetown 330TS being pushed by our
2017 GMC Terrain toad (4 wheels down)