To make $ 100 a week online you need to be very good at something that is currently being searched on the internet or you need to work hard. I make about $ 100 a month, not a week. That's all I can afford ... probably if I had more time to spend time on the computer in the online environment, I would have been interested in other methods and I would have done more.
Are you skilled in any particular field? Designer, blogger, vlogger, web creator, website building?