Why wouldn't it be? There are companies all around you. From the gas station down the street to the finance businesses downtown. They all have problems, and they all have money. Some of those problems can be solved with software. All you have to do is keep talking to them until you find one.

$100 a month is practically nothing on an American company's budget. To many of them, $1K a month and $100 a month mostly looks the same. They'll happily pay either amount, so long as the solution provided actually does what you say it does and it isn't a hassle.