FORUM: An Auditor Pays You a Visit...

Planning how you would handle this unfortunate scenario can remove some of the dread. So please think through what you would do in the following case:

You have been farming for five years. Year five is the first year you have a "profit" on IRS Schedule F. If you were audited, how would you convince the auditor that all the expenses you have claimed the previous four years are legitimate business expenses? How would you convince them that you are a legitimate agricultural business?