Sorry to hear. Paypal, I'm assuming? Don't use that for significant amounts of money.
https://pinside.com/pinball/forum/topic/how-to-not-get-ripped-off-in-pinball-vids-guide#post-1813448
https://pinside.com/pinball/forum/topic/how-to-not-get-ripped-off-in-pinball-vids-guide#post-1813455