Checklist
Measure out what space you have
Decide what you need to grow
How are you going to store?
Work out planting / sowing times
Have a fertility regime
Plant closely, undersowing crops
Don't try to do too much
You never have enough room, but planning is important
Do a tally of what you eat and work it out
Storing and preserving helps with gluts
Make a monthly plan for what you need to sow etc
Make your own compost and use it well
Copy nature and don't waste valuable growing space
Nuff said, really!