selling products

The first job of most billionaires was... drum-roll... SALES! Not a big surprise to many I guess. Many very successful people recommend to learn sales as soon as possible, including many on this forum. I have to admit that I didn't spend any time honing my sales skills... mostly to stay...

My question is that where can I find the list of best selling products that can create conversions? I mean to say you that which is top sellers so that i could filter out top selling products among them. Or if there is no list you guys have then will you provide me any solution or guide so that...