Google it to find the classified ads submission sites..
Which platform you are using currently?
Yes, I agree with you. This is really a good technique.
Firstly, there should not have any duplicate meta tag error in the Google Webmaster. Try to fix all that errors if you can. But in case of product...
But for small businesses, it matters a lot...
If you are not using the CMS like WordPress then you just need to generate the XML sitemap for your website and upload it in your website root...
I know, but in case of SEM, you have to pay for SEO people as well as for Google Adwords. That means, It is a double expense for the owner.
The basic difference between SEO and SEM is that SEO is an unpaid method of optimization, whereas SEM is a paid method of optimization.
The implementation of proper ON page changes are required to make any website SEO friendly. The above checklist covers most of the changes..
Separate names with a comma.