Some important tips on selling a website.

Determine the price of the website you are going to sell. The price shouldn’t be very high and must be stable.
Continue to run your website efficiently.
Share a lot of private and confidential information. If you give less information, buyers might be a bit reluctant. On the other hand if you give more information, the offers will be more.
You must keep your tax filings, financial reports, budgets and business plans up to date.
You should take every effort for providing accurate details because every serious offer will demand a high level of accuracy, especially with regard to cash statements.
If you have mixed the revenue from several websites, separate them unless you intend to sell all of them together.
Eliminate complications in your website before you try to sell it.
You must keep audited financial statements because it indicates the future performance of your business. It also helps the buyers to get financing facility from banks.
Before you sell your website, make sure that you provide all vital information about your website including search engine ranking reports, profit and loss statements, traffic reports, and summary of the website business model.