First of all, you should ask to your family members, friends, colleagues or class fellows about legitimate sources that provide home based work opportunities. It will help you to get reliable sources that are tested and proven and have worked for people in your acquaintance.
You should also ask specific questions to people in your acquaintance about the duration of tasks and also the rates that these sources offer for the home based jobs.
Talking to these people will also help you to know how to apply for these jobs which will save a lot of time for you and you will be able to directly apply for the task without wasting your time on different websites.
Searching for different legitimate work from home opportunities from internet can be a daunting task. But you have to do it if you fail to get any information about home based work from your friends or family members.
You should check the reviews for every website that offers home based jobs because these reviews help in getting the views of different people who have already tested these websites.
There are also different forums available on different websites in which people have expressed their opinion about different websites that offer home based job opportunities. You can also check these forums which will help you in finding tested and proven sources for home based work.
You can also visit different free public libraries in your area that also provide information about the legitimate and tested sources that offer home based work.
Always rely on those websites that do not charge any registration fee because usually scams require money for registration.