Daily you can't earned 20$ but per month you can earned 20$ from PTC website if you worked hard only. Pm me for details.
you can earn 20$ per month easily just upload some files and share there is a lot of site to earn from uploading good luck
Create a website or blog.. Bring traffic to u site.. Add related cpm sites.. "more u bring the more u earn "
I think for your case you probably want passive income so you might try promoting product on Youtube. It's one of my main source of income. I make as much as my mailing list income in the 5k range from Youtube. It's powerful and simple enough for anyone to get their hands on it.
Google "Chris Farrell Membership". Making money online is not easy, many will tell you it is. You need a lot of core skills, learn them and take action on what Chris suggests. You will succeed. Morgan