hi guy's iv been doing hvac fo about 2yrs and a little commercial refrigeration , however, my last emplyer asked me to fill in for one of the guy's , he manily does commercial kitchen repair; ovens, dishwashers, steamers,... anyway i really became good at it. anather tech sugested that i should get into refrigeration side and with this skills i could end up making more many . what do you guys think. p.s. i would have to quit my job and start at the bottom is it worth it in the long run.