Of course, you will ‘sell’ this offer with professional sales copy, some great headlines, and maybe even some bullet points. But the general idea here is to introduce yourself to this new cold traffic visitor, let them know what you are about, let them know that you can help them, and convince them that the first step to solving their problem is to opt-in to your free offer. 
Consequently, it’s vital you do all you can to serve those members who’ve invested in your program. Adding a help desk system to your website can improve communication, while creating new and varied forms of content for your membership site is sure to increase the perceived value of your program. You can also implement tools like Churn Buster, which can reduce the risk of satisfied members involuntarily quitting your site—something you may not even be aware is happening.

First, from the product page, the Add to Cart button should be highly visible. Next, the shopping cart should be easy to locate—usually positioned in the sidebar, or the top-right. The checkout page should be super-easy to access, and never more than one click away, allowing a visitor to bypass the shopping cart if they want. Finally, the checkout fields should be logical, and kept to a minimum.
A Web analytics program tells you how shoppers are using your site. It reveals where users come from, what pages they visit and what keyword searches brought them to the site. An analytics package enables merchants to calculate their conversion rate. (Your “conversion rate” is the percentage of your visitors who make a purchase — a critical fact to know and track over time.)
One of the big decisions you’ll need to make when it comes to your membership site is how much you’re going to charge. While it’s tempting to pluck a price out of thin air, that’s not a strategy that’s going to put the most profit in your pocket. Instead, use this checklist guide to determine the best and most profitable pricing strategy for your membership site!
Special Unicode Characters in Data Validation Lists: ☐, ☑, ✓, ✔ - This may be my favorite approach. You can include special characters like this in a Data Validation drop-down list. This isn't quite as good as clicking once to fill in a checkbox, but it is great for the mobile Excel apps. The only hard part is remembering how to insert a check mark symbol in Excel. For more information, see my article Using Unicode Character Symbols in Excel.