you could have asked you primary care doctor for a test, instead of paying a company for the privilege of creating a dna map to sell to law enforcement.

That may sadly be more expensive in the US. Even if you're insured, the copay + coinsurance may still cost you more out of pocket for such tests, depending on the specialists needed.

23andme sells this for a set price, advertised on their website.

A clinic usually asks you to sign a form that says you are responsible for paying whatever they and an unaffiliated laboratory end up saying you owe. Minimum being $250, and maximum being unknown.