You don’t have to own a business to work from home. Although there are plenty legitimate home-based businesses you can start, existing companies will pay you to help them from the comfort of your own home.
Working from home is difficult whether you have children or are single, but with these tips anyone can work from home efficiently! http://www.budgetblonde.com/2015/04/15/how-to-be-efficient-when-you-work-from-home/
There are lots of reputable online courses that can provide you with the certification and/or training you need to land a real work from home job. You should check these out if you know what type of home job you want, but don't quite have the skills you need to pursue it.