Que-ball has it right -- save those choice cuts for the tasty treats they are by themselves! Jerky is for the tougher cuts, like the butt roasts, neck meat, etc.
I partially defrost the meat which makes it easy to slice as desired to thickness and grain (with or across). Then I put it immediately into the brine/marinade.
I brine/marinade my jerky with a recipe I found on-line. You mainly need the salt in a brine to kill any bugs that can make your loved ones sick. The rest is about flavor preferences. I've never used a commercial kit and never made anyone sick.
I smoke my venison jerky for about 2 hours, then into the oven on as low as possible with the door propped open over night. You can also use a
dehydrator, but I make huge quantities and haven't found a
dehydrator big enough to meet my needs.
Trust me -- it won't last long! Cheers!!!