I believe when I applied for a mortgage my income from sources other than my salary was discounted by about 1/3 by the mortgage broker as it wasn't considered "

I believe when I applied for a mortgage my income from sources other than my salary was discounted by about 1/3 by the mortgage broker as it wasn't considered "steady" despite being steady over the tax returns I handed over. Might depend from broker to broker, I don't know what the federal rules are.