In order to further gauge your chances you would need to get prequalified with a lender. They would take your information about your current income and assets and pull your credit. Based on that would be better able to let you know if you are likely to qualify or not. Outside of that it is hard to make a determination.
$2100 a month in social security by itself looks really good for a home at this price, but they would need to know what other expenses (loans, credit cards, etc) you have and also since you are growing a new business how does that impact your income? How long will social security income for your child continue? If you are reporting losses on your business income which can be common in the first few years it can negate some of the social security income they can count as well.
So it would be really best to have a lending expert review your prequalification and give you some options or in the very least some things to work on. Feel free to call or email me.
I would be delighted to help you with it if you give me the opportunity. By the way I am from Austin so you'll have ot tell me where your food vending business is so I can try it out some time.
Anthony Regner - NMLS 513607
Mortgage Loan Originator
Cobalt Mortgage - NMLS #35653