First and foremost you need to answer some basic questions/prompts when opening your roadside farmstand. What do you plan to sell? Is it legal to sell it in your area? How will the farmstand work for customers and how will you take payment? (Honesty system versus a farmstore - cash versus online payment) More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.