Handmade describes production. Homemade usually describes origin. Neither guarantees quality.
A factory object can be durable, repairable, and precisely fitted. A handmade object can be poorly joined, unsafe, or designed around the maker’s pleasure rather than the user’s need. Visible irregularity may provide character or evidence that the process was uncontrolled.
The useful standards are closer to the object.
Does it perform its job? Can repeated parts repeat where they need to? Are edges, surfaces, finishes, and fasteners appropriate to use? Can it be cleaned, maintained, and repaired? Does the maker understand which deviations matter?
Handwork has advantages when adaptation is valuable. A cabinet can fit an old opening. A prop can solve an unusual performance need. A repair can retain material a standard replacement would discard. The object can carry decisions that mass production has no reason to make.
It also carries the maker’s blind spots.
The strongest handmade work is not valuable because a hand touched every part. It is valuable because judgment remained available throughout production. Homemade becomes a compliment when that judgment reaches the person who must use the thing.