>>> These two products are selling good but the ASIN that you have provided us looks like cheap quality if you want to go with these product few things you have to note in your mind you need to get product with better quality. You need to workout its different sizes after doing all these things also try to check your margin.
Q.2) how many products should I buy at first?
>>>>>>> Initially when we start a business we go for small orders of 1-2 or max 3 cartons of products.
Q.3) Is there good potential for this product?
>>>If you product quality is good and listing is good then you can fetch sales.