Whether you have a large advertising budget or a no advertising budget, there are ways to advertise your web site or products for free. There are many people that either have blogs or web sites that actually ask for your advertisement and do not charge you anything to post it. You can easily find these free advertisement zones on web site forums and through search engines. Many people even advertise free advertising through Google Adsense.
Before placing your advertisement on a web site or blog, check out the other posts or material on the web site. Many sites may be a great fit, but you want to make sure that your product or web site fits good with the content or purpose of the site. You might not want to advertise yourself on a gambling related site so just take the time to make sure the site fits your needs.
You can also post your site or product on a blog. Many blog sites do not mind that you post a link or product as long as you post relevant content along with it. Most blogs on set up for advertising but many blog sites do not mind if you add compelling, worthwhile information. So if you are low on cash or a budget, look to advertise for free on web sites and blogs.