Clickbank products definitely still sell as long as they're shown to the right traffic. High refund rates for IM products? Definitely. You might wanna check out other affiliate platforms like warrior plus/JVZoo. Be sure to build a list to sell over and over again. Also try doing joint ventures if you're able to find suitable partners. Just look around.
You can work as a virtual assistant through dedicated websites, such as Upwork or Zirtual. All kinds of skills are needed, and compensation can vary anywhere between $10 per hour to $100 or more. Obviously, the higher pay will be to people who have more technical skills, such as web building skills and marketing. But you can find work doing administrative tasks at the lower end of the pay scale.
You must use both a unique public key/private key pair (each key pair, an “Account Identifier”) and an Associates tag parameter (which can be either the Associate ID issued to you under the Amazon Associates Program or a related Associates Program tracking ID) to identify your account and make calls to PA API. You may obtain your Account Identifiers through PA API account creation process.