There are quite a few forums out there that do seed swaps/parcels for established members. You can often get rare varieties for very little cost, while passing

There are quite a few forums out there that do seed swaps/parcels for established members. You can often get rare varieties for very little cost, while passing some of your own collection on for others to grow. It is probably something to try later on, but worth joining gardening forums that do it (so that you can have enough posts) to take part.