Something Newer

 

https://clinicaltrials.gov/ 

https://www.thepennyhoarder.com/make-money/side-gigs/?aff_sub2=clinical-trials

https://www.frugalforless.com/human-guinea-pig-money/

https://www.cdc.gov/mmwr/index2020.html

Contests

https://www.thebalanceeveryday.com/contests-4161941

https://www.instructables.com/contest/

https://luckycontests.com/

https://www.sweepsadvantage.com/contest.php

https://ultracontest.com/

https://sweepstakesfanatics.com/

http://www.contestbee.com/

https://www.contestgirl.com/

https://www.tastyrewards.com/en-us/contests

https://www.freestufftimes.com/contests/

Something new

 

http://www.ebizmba.com/articles/car-websites 

http://www.ebizmba.com/articles/file-sharing-websites

http://www.ebizmba.com/articles/business-websites

http://www.ebizmba.com/articles/coupon-websites

http://www.ebizmba.com/articles/gadget-websites 

http://www.ebizmba.com/articles/game-websites

http://www.ebizmba.com/articles/ebusiness-websites

http://www.ebizmba.com/articles/health-websites

http://www.ebizmba.com/articles/job-websites

https://www.mediapost.com/ 

https://niemanreports.org/

https://adage.com/

 

 http://www.ebizmba.com/articles/personal-finance-websites

http://www.ebizmba.com/articles/science-websites 

 https://archive.org/

https://stackexchange.com/ 

 https://www.ehow.com/

http://www.ebizmba.com/articles/video-websites 

http://www.ebizmba.com/articles/sports-websites