I believe at the moment there is no transaction limit before you can FE or if there is a lot of vendors are ignoring this. Please customers if you do FE, leave feedback later, this helps prevent new vendors trying to scam. Like Biogen says i feel his pain, please customers finalise once you recieve. I have another thread on this - http://silkroad5v7dywlc.onion/index.php?topic=19534.0