I will add nearly triple this year as my calculations show only a tiny increase in cost. Being able to pass along some future goodness easily overrides the little cost it does incur.
Tomatoes, bean, and peppers were a big hit. This is especially true for determinant and dwarf tomatoes as they allow those without garden plants a chance to add or create their own container garden setup. It has been fun to watch several folks either expand their gardens or start gardens with a little "nudge" with some strong starts.
). I do mine as a fund raiser for my church - sell off seedlings in 4" pots for $1 each. I donate the $200 or so I raise that way to the church. But $1 is cheap for big strong healthy seedlings, so people get a lot of good starts cheap. I usually still have some left over that don't get sold and those I give away to friends and colleagues.