Can't afford a raised bed? Try repurposing an old wooden pallet.
Don't want to spend money on buying plants? Look in the fridge and your kitchen cupboards for food that you can plant.
Need a particular tool? Barter or borrow from a neighbor.
Don't have a garden? See if someone in your area has an untended patch you can turn into a well-loved veg plot.

Huw's Grow Food for Free has the inspiration and practical advice you need to start, grow, love, propagate and harvest your own fruits and vegetables organically and at zero-cost. This is real sustainability