If just before launch date you decide to increase your payout, remember you need to update your contract, too. Spelling and typing mistakes Please ask someone who pays attention to detail to proof-read your site. When one credit card merchant launched its program the site looked beautifully professional - but was spoilt by glaring typing mistakes in the first few sentences on the main page. If you don't want the link to your affiliate program to be obvious to your main customers, that's fair enough. However, if you do want webmasters to find the link, make sure it exists.
Some people forget.
As well as your main FAQ, it's an excellent idea to have another list of frequently asked questions for affiliates. They will wonder what you have to hide. Your affiliates have a right to know. All the usual advice on usability and navigation apply if you want to avoid annoying people. We all know how easy it is to overlook things, and how often things go wrong in unexpected ways.