Write your USP. Use the information you've gathered about your customers, products, and competition to create a unique selling proposition. This is a compelling sentence that describes the essence of your business, focusing on who you serve, what benefit you provide, and why you are the best business to provide that benefit. Your USP, also known as your value proposition, will guide all of your messaging, branding, and other marketing efforts.
Two-tier programs exist in the minority of affiliate programs; most are simply one-tier. Referral programs beyond two-tier resemble multi-level marketing (MLM) or network marketing but are different: Multi-level marketing (MLM) or network marketing associations tend to have more complex commission requirements/qualifications than standard affiliate programs.
This article includes a general overview of types of affiliates and agreements. Every business situation is unique, so be sure to get help from an attorney in preparing any affiliate agreement. There may be "gotcha" clauses or language that you may not have seen or included. For example, if you are the affiliate, check to see what percentage of ownership, if any, the other company has in your business.