User blog comment:MindoPod/Profit Potential of Crops Per Minute/@comment-26338253-20150423144209/@comment-27999461-20160318012737

That is a good question. I am also a lv. 21, and I find it the best to do this:

1) Plant all wheat at home

2) Buy non-max produce in the Daily Dirt

3) Re-sell the stuff you bought for max price

4) Make quick products using your own crops (bread, feed, etc, etc.)

If you still have trouble, see MindoPod's guids on wheating