well as to do all farms have vermin problems,yes to some degree i guess is the answer,farmers are a funny breed but be confident when chatting with them is your best bet,also even if they say they dont have much in the way of vermin just say "well if thats the case i can keep it that way as its easyer to control before it is a problem" lol that ones worked well for me in the past.as to stepping on toes,well i get alot of calls to take care of pest problems where they have someone,not your fault if they ant good anothe to sort it,well thats the way i see it as to having just one shoot i guess