How do you become a PCH influencer?

How do you become a PCH influencer?
The Program survey loyalty tiers are as follows:

Influencer. To become an Influencer you must complete at least 1 survey in a 7 day period.
Influencer Pro. To become an Influencer Pro you must complete at least 2 surveys in a 7 day period.
Influencer Pro+

The Program survey loyalty tiers are as follows:
  1. Influencer. To become an Influencer you must complete at least 1 survey in a 7 day period.
  2. Influencer Pro. To become an Influencer Pro you must complete at least 2 surveys in a 7 day period.
  3. Influencer Pro+
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