Sorry to hear about the layoff.
Walmart had seed packets for .20 , campbell soup was giving them away for free (tomatoes)
The paper recycle bin has always been a great place for free coupons
See if anyone wants to trade on free cycle/craigs list
See if anyone at church or your neighborhood would want to start a barter club.
Look up what can be foraged from your area. Put an ad in the paper Free --- in exchange for ? All free ads are free. Good luck.