Jagtech wrote:
First of all, welcome! Secondly, you are certainly not too old to do this!! Happy RVing!
What he said.
Secondly, a 45 footer will limit the places you can go. That will take up a lot of room that many camping sites do not have. There are also roads you won't be able to traverse, Pacific Coast Highway has a section like that, as does one of the passes around Glacier NP. The eastern entrance to Zion NP has a height restriction that will keep that rig out, too, although the western entrance should be ok.
I don't know of states that don't allow rigs that size, but I'm sure others who do know will be along shortly.
In any case, welcome to this here forum here, pull up a rock and set yerself down fer a spell.