I was an MLM distributor for a short time. We were working in the downline of someone we knew from British Aerospace days.
We sold copy fragrances called "Echoes" and skin care products. We used them ourselves and were quite happy with the quality.
Then after a few months I began to have doubts about it as a business. I wasn't happy with the "training" sessions which trotted out how much money you could make if...
I also knew there were a lot of distributors in our area (Manchester) so why hadn't we heard of this company in the 7 years it had been going? It was also based in Deeside, again near us and no news about it that I'd seen at all.
In the end L'Arome brought out slimming products that I just didn't think were right and was the straw that broke my tenuous belief in the business.
A few months later L'Arome went down the tubes.
Interestingly I never knew why L'Arome went bust until recently when I discovered this Guardian article about it. The point was that L'Arome was taken to court by Chanel because of L'Arome's "Smell-Alike" perfumes. When Chanel won the case L'Arome went bust.
Although I've never been involved with Amway I noticed this interesting article by someone who claimed to be a successful distributor with them. Obviously I don't know whether any of what is claimed in the article is true but...
If you want to go down the MLM route it raise a number of questions you'd be well advised to get answered before putting time, energy and money into the business.