So I sell products on online stores and on amazon, I saw a product when I was traveling a month ago and I was WOWed to say the least. It's super niche, has a lot of utility, and a massive potential user base. I found ONE supplier in China making them after hours of browsing, the problem is that the MOQ is 5000 units, with very good reason. I have no idea if it would sell, and it would be a lot of capital risk. Should I just go for it? is there any way for me to test viability before I order so many?