Amazingly, software does not have zero cost. You pay for hardware, software licensing, hosting, leases, fees, and administrative costs.
Where is this mythical no cost software you're talking about? Is it in the room with us right now?
Where does your income come from again? Is it this same zero cost software we're talking about right now? The same zero cost software that an employer pays you a salary and benefits for, or...?
Blacksmithing, metal working?