PR3 SEO Friendly Directory- Need Plan?

I have a SEO Friendly directory website with PR3 But i need to know what i need to plan for huge earning?

Thanks for any help

It’s never a good idea to build a site before making a business plan, because a lot of websites will struggle to make money. You really need to come up with a plan first, and then build a site that fits the plan. What does your website offer, that you might be able to turn to a profit?