W-2's are just to show consistency of income. If you are employed and make salary, then your salary is what is used to qualify. If you are hourly & are full time, then it's (the hourly rate x 40 hrs x 52 weeks) / 12 months. Overtime, bonuses, and commissions are averaged out over 2 years. If more than 25% of your income is commissions or bonuses, then tax returns are often required and a 2-year average of your income is used. If you are self-employed then it's a 2-year average of your adjusted gross income in most situations.
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