Only one time.

You currently cannot - a version is being worked on that will allow you to flash back to the stock boot loader if you so desire.

Stock bootloader
 

Yes this would be best incase I need to take device to sprint for defective hardware. Is there an ETA on the new unlocker to install stock bootloader

There isn't really an ETA, but it isn't required (although there will be another feature for the really hardcore geeks to play with if it goes as planned). Sprint will most likely never notice that different bootloader if you have hardware problems, and any of them that would probably wouldn't mind.

stock bootloader
 

one more question will there be any problems running any rom installs with the unlocker installed sprint released or custom

No. This will allow ALL roms designed for the TITAN to install. There is NO technical reason whatsoever to remove the unlocker. It actually makes your device safer.

Unlocker
 

Thanks ImCokeMan

Hey I can't DL the link from XDA. I created an account, activated and everything, but it gave me a weird msg saying I'm ineligible for some reasons. Can someone, if possible upload the link back to ppcgeeks? if not then I'm stuck. Well thanks for help, Imma go search around and see what I can come up with. Thanks in advance

for what is the unlocker?

Thanks for all of your work here. You are doing everyone a real service! Is there any update on the new version that will allow one to flash back to a Sprint stock ROM? I may need to take my phone in to the store since I am having lots of issues with it. If I am not running their ROM I don't think they are going to help me out. Thanks again!