You can get 50 million of 'em for $35,
https://www.amazon.com/Bug-Sales-Million-Beneficial-Nematodes/dp/B012TYT37K/ref=sr\_1\_8?crid=3CPK5I7GFU6TK&keywords=nematode&qid=1658364173&sprefix=nematode%2Caps%2C147&sr=8-8