I'm not a BBQ sauce connoisseur, having grown up with it on seemingly all grilled meats whether they needed it or (probably) didn't. In St. Louis we always had Maull's
https://maulls.com and I still like it a lot for its lighter and more vinegar-y profile.
And then I remember the KC Masterpiece revolution and it seems like so many are today are based on that thicker, darker, richer, mega-tomato-y recipe. A while back I needed some sauce, didn't want to have it around because I rarely use it and so bought the cheapest I could find, a bottle of generic grocery store brand BBQ sauce and I'm pretty sure it's the same stuff inside. Really good basically, and what I reach for when a hot dog or corn dog crosses my plate.
And so many of them are flavored now ... I have some kinda hot BBQ in the fridge now, good but too hot for much use, got another jar of something someone gave me unopened yet ... I did buy some Gourmet Warehouse Cherry Jalapeņo that I can heartily recommend. Kinda hot, not super hot, really tasty for the right meat.
http://www.gourmetwarehouse.net/bbq-sauces/33-sweet-heat.html