I wouldn't take any of my snakes to any kind of store. For their safety, my safety, and other peoples safety. You said couplet other people hold the snake, but what happens when the snake bites them and they want to press charges? It may be extreme but it is a very real possibility.
Also, a store like Lowe's even if the heat is ok the amount to chemicals and dangerous materials could cause some serious harm to you beloved pet. Even at a petstore if an employee has been handling their reptiles they could pass on unwanted parasites or bacteria to your snake then your collection.
Just my .02.
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