Anyone heard of a company called "Payko"

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I have sold a gaming system, and the person lives in another state and has set up for a company called "Payko" to pay for merchandice... And from what i am gathering they (Paydo) want me to send merchandice to customer before i recieve payment for what they bought. Which i find kind of bothering me.. considering they are sending money order from Bank of America and then it says on web site will take 4-6 days to clear the bank!!! ANd i have send to another company which is costing me 80.00 dollars to send! So in othe words from what i am understanding is they want the product sent out and i give them tracking number after i send out!! Is it me or does anyone else have a problem with this.. I just dont want to pay 80.00 to send to customer and then wait 24-48 hours to recieve money order and then have to wait 4-6 days for it to clear bank.. and if check isnt good,, im out $80.00 plus the merchandice!! HELP