Product promotion is the most cost for many sellers, because there is great competition on Amazon platform now, and new products don't have a good ranking. Advertising is an important way to promote the exposure of new products, which can bring great influence to product sales. Third, product selection. Product choice determines Amazon's sales. If sellers can find products that sell well, they can naturally get a lot of orders and sales. Now the competition on Amazon is huge, so sellers' products need to have more advantages in these competitive products, such as functional advantages and price advantages, so that their products can become consumers' choices....Product promotion is the most cost for many sellers, because there is great competition on Amazon platform now, and new products don't have a good ranking. Advertising is an important way to promote the exposure of new products, which can bring great influence to product sales. Third, product selection. Product choice determines Amazon's sales. If sellers can find products that sell well, they can naturally get a lot of orders and sales. Now the competition on Amazon is huge, so sellers' products need to have more advantages in these competitive products, such as functional advantages and price advantages, so that their products can become consumers' choices....Product promotion is the most cost for many sellers, because there is great competition on Amazon platform now, and new products don't have a good ranking. Advertising is an important way to promote the exposure of new products, which can bring great influence to product sales. Third, product selection. Product choice determines Amazon's sales. If sellers can find products that sell well, they can naturally get a lot of orders and sales. Now the competition on Amazon is huge, so sellers' products need to have more advantages in these competitive products, such as functional advantages and price advantages, so that their products can become consumers' choices....