Letters for every situation that may arise regarding your businesses cash flows, such as an overdue account letter can quickly be put together and sent out if you have a standard letter ready. You will also need forms and letters to assist with your customer relationships. You should have a standard 'client details' form ready for each customer's details and preferences to be filed. You also need customer feedback surveys and a series of letters welcoming new customers and dealing with various other complaints and issues.
The "short and sweet" design landing page normally have a very strong and compelling headline. This type of design also have some short description of the benefits for visitor to opt in. It will have a very strong call to action as well. If you have a good headlines and benefits, then this squeeze page template normally give you a high conversion rate.