mjbizdaily.com/nonpayment-is-top-reason-marijuana-companies-fail-cannabiz-brett-gelfand/
Nonpayment is No. 1 reason marijuana firms fail: Q&A with collection expert Brett Gelfand
mjbizdaily.com/nonpayment-is-top-reason-marijuana-companies-fail-cannabiz-brett-gelfand/
1–2 minutes
New Amsterdam Coffeeshop 
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