Ever do the math on just how expensive it is to commute to and from work every day? I did... and then I show how that seed money can grow large enough to fund early retirement or a business start up in time. ... or are you looking forward to working until you're almost 70?
My method of saving Tomato Seeds. Besides saving money; every year tomato seeds are saved, the plants are adapting to your climate, soil, and your growing habits. The best tomato seeds are not store bought! All I grow are heirloom tomatoes, keeping the tomatoes my Grandparents grew viable for other generations.
You can do this fermentation process with anything that will hold water, that you can poke holes in the top. No need to go to additional expense to do it exactly like I do. However I have developed my method over twenty years, and it works for me. Critter cage is optional!