Which are the disadvantages of affiliate marketing?

Which are the disadvantages of this type of marketing?

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Managing your affiliate program if you don't use an affiliate network might be time consuming. If you go it alone, you'll have to be considerably more attentive of compliance difficulties. It can also be difficult to create a long-term team of devoted publishers that support your program.

most relevant disadvantages:

• You Don't Control Affiliate Marketing Programs. 
• You Don't Control Your Competition. 
• You Can't Establish Your Customer Base. 
• No Guarantee of Revenue.
• Freelance Jobs are not for Everyone.
• Quantity Approach.
• It's Possible to Hijack Affiliate Links.