Purple: Common Purp. Not hard at all to send cash. Isn't there a webtv-f/s? Soon enough we'll know if you can paypal with it. Letters to the Czech Rep. with money in it should be send regristred (strongly recomanded, appart the possibility that sending money by mail to the czechs isn't allowed maybe, that is why he wouldn't offer it as a payment method), otherwise noone should cry if he tells you: no, no letter arrived.
They go through many hands, and a thief checking 3000 letters each day will take 30€ with pleasure.
Money with its addicions brings the world to an end, as a matter of fact.