Probably not.You will be aware of your link popularity if it is enough high for a real business or not.
You would like to make profit. Your ranking is deciding factor.
But why link popularity? Because this is one of the most powerful tool in your hand and you can influence this factor.
If you learn how to measure and track this indicator, you will be able to improve your link popularity! This is the good news.

For your high page rank you need a number of inbound links, not just any links, links with high page rank and related topic as your site.
It is called relevant one way links.

Let me introduce some free SEO tools, which will help us to measure our own link popularity:

Link popularity check: this is a free and very useful software (you can download from my site).
This program checks the link popularity status of your web site on several search engines and compares it to other web sites on the Internet (for example your competitors).
LPC gets the numbers from the search engines.

Googlerankings: with the help of this tool you will be able to check your rankings in the main search engines (Google, Yahoo, Msn) for your keywords (niche).
For example our keyword is the "perl necklace". This tool will show us, that we are the 125. in Google and 13. in MSN.
You can make charts from the performance of your website.

Search Status: this is a small extension for Firefox browser. If you installed, you can check easily your backlinks to your site.

Conclusion: you need a lot of quality one way links, because link building is the most powerful tool to place your site in a good position in the search engines.
You should measure your results, because if you measure something you will be able to improve it.

To your success.