It depends with the skills that you possess. Skills like freelancing, transcribing, blogging among others can earn well and good sums of money. But then if you have basic writing skills, you can make some earnings but not that much.If you're a top tier country, then you have a lot of earning opportunities. For instance, you can make good earning almost $70 per month from surveys. Some survey sites like citizen me and paid viewpoint pay good cash per survey. There are other survey sites like panel station, streetbees,mobrog and global test market.
We also have several forums whereby you'll be paid to post on websites.Some of those forums include,postloop, forum wheel, beer money forum, forum coin and the recent digital global. Working in all these site you can be guaranteed $50 per month.
Finally we have article writing sites. There are several of them although it requires you to have proper English accompanied by use of proper vocabulary.Some of those sites include, content gather, merit crowd, listversa among others.