1. Paid links

Paid links are links from other websites purchased solely for the value of the link rather than for direct clicks. Paid links have become so popular that auction sites have sprouted up for just this purpose and they can even be bought on eBay now.
Paid links are a form of advertising. You should choose a site that draws people you want to reach because they're delivering the audience.
We would recommend applying the same criteria that you would to reciprocal links. If you are going to purchase links, only purchase them from related sites and try to make sure the link is not buried down at the bottom of the page.
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Pay-Per-Click (PPC) Search Engines are built on the similar principle as auctions and are one of the most cost effective way of driving targeted people to your site. ... full article

A lot of online based businesses forget about offline advertising. It is important to combine offline and online advertising together in your marketing campaign. This will give you to a more well rounded approach to promoting as well as attract potential prospects and customers you might not otherwise get. ... full article