Harbor Freight is where Sioux Falls DIYers show up with a list of three things and leave with a cart full of twelve. That's not a criticism — that's the business model working exactly as intended.
The West 12th Street location stocks hand tools, power tools, air compressors, automotive tools, and tool storage that covers everything from weekend garage projects to light professional work. They sell to the hobbyist building a deck, the mechanic stretching a budget, and the tradesperson who needs a backup grinder they're not precious about. The range is wide and the price points are the whole point.
The reason locals keep coming back isn't complicated: you can outfit a shop here without financing remorse. Harbor Freight lets you test a category — welding, woodworking, detailing — before committing serious money to it. That calculus makes sense for a lot of people, and the store on 12th delivers on it consistently.