Yes, that's the place in Minnetonka--in the Glen Lake area. Since you are not in the area, you've spotted another reputable shop closer to you--Ahlman's. I haven't been in it in years, but they are an old-line, long-established shop. Possibly a bit more expensive than The Gun Stop (which recently was sold, and has raised prices a bit)--but that's only speculation. They've long been known for their gunsmithing, not just their gun sales. Before you buy anything, I would go there.
Ahlman's should also be accomodating on being able to try out a K/L frame with different grips, I think. FWIW--while there is absolutely nothing wrong with a 5-shot j-frame as your first gun, particularly if it fits and feels good to you, I think you ought to explore the larger-frame (6-shot) guns, particularly with the right grip fitted for you.
If this first gun is to be a carry gun, then a 3" HB j-frame is neither fish nor fowl--e.g., you probably would need to carry it UNconcealed, in a purse or some sort of holster. That's a lot of "needs" for a beginner to digest. If it is NOT to be a carry gun, then the recommendations for K-L frame variants make a lot more sense for a first household handgun.
But back to the deal you posted--even if you get the price down to say $500--a more honest value, maybe $550 if you are willing to pay the premium for a no-lock gun (I wouldn't, for a first gun for you)--you should buy it only contingent on having it inspected (at your cost) by a shop like Ahlman's. J-frames (I have several) are very durable, but I probably wouldn't buy one that has had lots of full-house .357 Magnum loads shot in it. That probably isn't the case here, but nonetheless, as a novice buyer, you need to rely on a 'smith to guide you on the overall condition, IMO.
added on edit: Ahlman's is in Morristown, on Hwy 60--that should be closer to you, alright.
Jim H.