Tips for safestrap?

view story

http://forum.xda-developers.com – Just downloaded safestrap 3.11 want to.flash my first rom. Wanna know if there is any things i shouldnt do that will screw up my phone. All the roms i have looked at at loom pretty simple. Can i keep stock in a slot or just make sure i have a backup? And are there any suggestions for roms you guys prefer? Im on the JB leak and have cdma. Thanks in advance Sent from my DROID RAZR using xda app-developers app (HowTos)