In general using the Internet for advertising can be inexpensive. Marketing your products or services to an audience that is totally global is very smart. Not only on the Internet but also by e-mails and social media.
With the free online services that you can use to market your product or services is a lot more inexpensive than other advertising. It might not be the best for your company. You have to consider the traffic is not targeted. You have to be careful of websites that offer free links that boost your search engine raking. You just might get deleted from the search engine.
I ran into a website called link exchange. You find other people that have similar products or services as you and exchange text link with them. There are other marketing advertising websites you can look into as well.
You can use newsletter advertising also. You place articles into your newsletter on what you are selling. You have to do your own research and select the advertising that is the most efficient for your business.
You can choose to have banner ads to pop up advertisements. The pop up ads shows up when the user is waiting for a page to load. With this you might run the risk of annoying and having a negative effect on the user.
There are a lot of choices to choose from when it comes to advertising on the Internet. You want to decide on which one is best for your business. It is important to be creative when making the choice. The Internet is always changing so just be ready to change with it.