There Are TWO Types Of Seller In The Internet Marketing Wrold
The first type of those people is those who can give real value to people's problems online and can make their life easier. Those sellers when market their products to people, they get good reputation and make people happy which improves their long-term business goals and make them successful online.
The other type of sellers are those sellers that provide mediocre products that can't help anybody, they can only sell by promising people in their sales letter promises that they can't keep, and sadly some people get ripped off and buy these worthless products.
Be careful of the second type of seller if you are newbie and want to buy products that can help you, and always ask your peers about the seller's reputation and past experience with these guys if you've got any.