Can you make the payment guaranteed ?

Why do you ask?

So that later on it not will be closed - refunded .

payment guaranteed projects will get serious involvement from designers, you can expect more relevant entries in quality and in quantity.

thanks for invite, pls. make it guaranteed.

ok. not a problem.

Hello,
Thanks for the invitation. I'll do my best for your logo.
Kind Regards
Ambi :)

Hi and thanks for the invite. I submitted a logo design to you last night. Please check it out. Hope you like it.

Hello there,
Any news on this contest?
Sorry, I'm curious...
Regards.

http://www.thelogofactory.com/logo-design-tips/logos-to-avoid/

Wow... Your project really got a bunch of these... I feel like I've read a different brief. Good luck.