You should start buying PSAs only if you're having trouble recruiting them yourself, as a last resort. Ideally, your personal promotion efforts will result in PSAs with at least some basic level of engagement--when you buy PSAs, you're not guaranteed that because you do not know how those people have been recruited. It's entirely possible that a PSA that you buy came through a bounty-for-signup program, and if he or she did, it's likely that he or she is just collecting payment for sign-ups with absolutely no intention of being active.
Recruit more personally, and you should see better results.
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You should start buying PSAs only if you're having trouble recruiting them yourself, as a last resort. Ideally, your personal promotion efforts will result in PSAs with at least some basic level of engagement--when you buy PSAs, you're not guaranteed that because you do not know how those people have been recruited. It's entirely possible that a PSA that you buy came through a bounty-for-signup program, and if he or she did, it's likely that he or she is just collecting payment for sign-ups with ...more