Are DNA kits worth the money

Antoinette in Lake George writes: My husband and I have been married for 9 years and lately he's been obsessing over finding out about his families lineage using those DNA/Ancestry kits.  I'm not sure what he's looking to find, but it's been the only thing he's talking about. He's hosting all these family Zoom calls to discuss their lineage and he's really into it. The problem is, he's spending hu