Many who cannot have a job outside the home are searching for ways to bring in a little extra income. And indeed, there are many real work at home jobs no investment needed in which you can succeed.
If there is something you love to do or have a hobby, this is a venue which you could likely use to bring in some extra cash. Do you have experience in a particular area? Is this something that people would be willing to pay for?
Many give private lessons from their home, whether it is music lessons or private tutoring in various forms. One should be able to bring in some good money because people are willing to pay for lessons from an experienced person. Obviously this requires no investment as you have already earned the experience. You will merely need to get your name out there so that people are aware of your business, and this is easily done at no cost with a little creativity and effort.
Through the Internet one can find a variety of work at home opportunities that require no investment or start up costs. Freelance work is available for any who have skills in creative venues, and there are a number of jobs to be found on local classified advertisements. Perhaps someone needs a babysitter a few days a week or are looking for a weekly house cleaner.
There are even legitimate companies who are searching for motivated disciplined individuals who are willing to work from home making phone calls, doing paperwork, or data entry. This is a win win situation as the company does not need to pay for extra office space, and the individual can stay at home as needed while still bringing in an income.
Really it all depends on your personal interests and what you are willing to jump into. Any job requires an ability to manage time well and be disciplined enough to motivate themselves to meet deadlines and stick to it.