Many small internet marketers start with a sole proprietorship to avoid the costs of forming a corporation or LLC. This may be a wise decision as statistics show that many small businesses lose money for the first several years. What the ex-wife should do in this case, it to present evidence of not acknowledging that such income has been received. And therefore, the computation of taxable income was erroneous. As well as that's this is well know by the ex-husband yet intentionally omitted...