This is a very good question and has many variables.
1. do you have any other income? Reporting income on your return may reduce any spousal amounts if you go from zero to having an income. ( of course your income would be reduced by expenses) (If you earn more than $3500, you would also be considered self-employed.)
2. You cold be considered a co-owner if you are an active participant of the business... ie book keeping.
