Like OBG says, self education is the best money ever spent.
I've been running blown and injected or injected for over 40 yrs. and in the beginning i'm not going to say it was easy, but within a yr. one day i woke up and slapped myself in the head and said DUH!!! how cool is that. now it's easier than tripping over a log. It took me a yr. to set a world record in 1966 in A/Modified Sports and i never looked back, be it blown alcohol,blown gas, or injected on gas or alcohol, it's just a learning curve and for me they are every bit as easy as carberators.
JMO
Zip.