https://mypatriotsupply.com/blogs/scout/protect-your-seeds-lawmakers-are-coming-for-them/

I've been doing this for years.  It's proven to be a good idea and not really hard to do.  I also tried saving some flower seeds but those are harder to do because, like petunia seeds, they're usually quite small.  But it can be done.  Takes patience I don't have!!