Yes Bass Pro stores do allow overnight RV parking where you can park your RV or travel trailer overnight for free.
I would go in and buy something to show your appreciation for the RV parking that they allow you to do and you may need something from Bass Pro Shop as well.
Walmart, Cabela's and even truck stops or Crackle Barrel allow RV parking overnight.
Some Lowe's Stores do allow overnight RV parking but some may not.
It all depends on the zoning laws and city ordinances on whether or not the Lowe's can allow the overnight RV parking.
When I was traveling in my truck and had my travel trailer I asked the Lowe's Store manager if I could park overnight and they said sure.
I stayed overnight and then went in the next day and bought some stuff I needed.
Most Lowe's Stores do allow overnight RV parking but if they don't they will usually have a sign saying no RV parking overnight.
Home Depot usually also allows overnight RV parking as well as some Walmart Stores.