We decided to start with a small garden of:
2-4 cherry tomato plants
2 larger tomato plants
1 zucchini plant
2 green peppers
2 cucumbers
2 cantelopes
and 2 watermellons
I think all of that only cost under $10-15.
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So, in roughly 2 1/2 months, our garden has grown from this:

To this:
Click on the picture above to view the whole size._________________________________________
We have gotten tons out of that small garden. In four days of not picking cucumbers and zucchini, we ended up with about 8-10 cucumbers and 8-10 zucchini. That adds up to at least 1-2 per day for the last month or so... approximately 40-50 cucumbers and zucchini for $1 or $2. We have made about 10 loaves of zucchini bread. It's awesome.
It is funny how when it is your own, it is a lot of fun.
I actually enjoy picking weeds now...don't tell my mom.
Here are the size of our zucchini after 4 days.
We were sad that we killed one watermelon plant,
but still have some pretty big watermelons from one of the plants.