We don't tow a car, and have no desire to. Have just returned from a 5,000 mile, 14 state trip. Not towing a car is not much of a sacrifice....if you are organized and plan ahead.
Just like at home, we seldom eat our meals out....and stock the pantry/refrigerator accordingly, for several days at a time. We keep a running list of anything we may run out of or need, and can stop at any Walmart, grocery store, etc...along the way. No problem.
As for sight seeing...you can often get a satellite view on your phone, ipad, computer...of anywhere...to see if there is suitable RV parking. We have no problem walking, when required. Or, at places we plan to stay a few days to check out the area or things of interest...we rent a car for 2 or 3 days or longer.
We just find ways to make it work. It can be done.
And to the OP...we were just in Weatherford for the night 2 weeks ago, for the second time. Love the Wanderlust RV park there.