Do you have a friend? would you give him gold and loot for free if he was a good friend? that's all that's happening when you trade between accounts, perhaps giving your son a helping hand on his characters, or your wife, there is nothing to say you can't hold and play and trade between multiple accounts anywhere. All blizzard want is for people like you and me not to ruin the economy in the game. Once you use your head and only make a little gold and money p/w and allow it to accumulate over the course of many weeks and months you'll be fine.
Everyone is a little nervous at first when they start botting, but in reality it's almost impossible to get found out, I have heard of people with 20 accounts running 24/7 for months with no action, and then suddenly 14 get banned and 6 don't. What's the difference with the odd 6 accounts? nobody knows... on the other hand I know people with just 20 accounts and never had a warning, infraction or temp ban in their 4 years of botting and probably never will.
It's a turkey shoot, risk one account to bot with if you like, but the other, no matter what interaction it has with the bot acc, has no cause to be banned.