What is MRR ? Master Resell Rights is what it stands for and many profit from it each and everyday. Its no secret that to make good money online you need to have a product and a marketing plan. If you are not able to make a product of your own people are willing to sell theirs. Might not be the best products or new but there products that some people might need online. Most of them have or come with a prebuilt website to be able to drive traffic to so you could make money. If not there is always ebay you could advertise your ebay post and get sales like that.
The first one i bought has returned 500% of the money ive spent on it in a month just with one time copy and paste ad on ebay. I just bought a second one today and sold 1 with in 2 hours investment returned nothing but profit moving forward.
Some people use them as a gift for paying members to there websites Or bundle them to theire own product its all up to you and what you find is a good option in your case either way its always good to have 100% commision on sales.