If you are a seller on eBay then you should do everything you can to promote other offers to your customers. As per eBay rules you can not promote other offers outside eBay on the eBay site. What you can do is once you have a customer you can promote offers to them when you prepare your packages. This can be as simple as inserting a flyer with a link to another web site you have. The best use of this method is to try to cross promote offers that are somehow related to what you sold on eBay. If you can do this you will increase the number sales to your related site or offer.

Simple tools to use:

Buy some cheap business card paper, you can even buy these at the dollar stores. Then print out what information you want your customer to take action on.

You can also buy stickers or other promotional stationary that can be cost effective to lead your eBay customer to your other offers.

If you get their email you can also ask them if it is alright to send them related information when you have a new offers. This is a great way to start building a marketing list.

Customers do not mind this type of promotion and you can use it to start gaining extra sales.

With eBay you do not need to just sell customers the products you list,you can also use eBay to gain new sales for your other offers. Take advantage of this type of advertising as it costs next to nothing.