Here we feature more general methods that cannot be tied any of the other categories!
The sites featured here are either not fully functional at the moment, have limited accessibility or are more general in nature.
ADVERTISE PRODUCTS VIA AFFILIATE PROGRAMS
If you google this you will get tons and tons of all kinds of affiliate programs. Choose the best and most relevant program for your website, and start making money from each purchase made through your referral.
There are many small businesses that hire virtual assistants to help when they can't justify a permanent employee. You may also want check the international virtual assistants association IVAA.
Intrade.com is a website that was providing an online Prediction Market trading exchange. If your prediction is accurate, you make money. If it isn't, you lose money. It was shut down, but they stated that new version of site is in works.
DO A RESEARCH AND GET PAID FOR IT
A customer sends a text to researchers to ask the answer to a random question. The researcher replies with an answer. You can choose the type of questions you answer, and the hours you work. Check for open vacancies.