Website to sell specific item

Hello everyone,
I'm currently in the process of developing an affiliate market site for a few select items which is in the form of a blog – to give it a personal touch.
I was thinking though, after I would like to try to create a very simple site, selling one type of item. Nothing more or less, to really target that item.
I have a few questions though:
1) I'm not sure what items at present, maybe Protein Shakers, or yoga mats, or something similar – possibly fitness related
2) Where could…
Website to sell specific item

See original post by redrabbit29