Toilet Duck.
Please don't get me wrong. Your opinion as well as everyone else here is valuable and this site is an excellent source for information. Definitely, one should do their research so that the lateral transfer can be avoided. And I'm sure that instructing is an excellent way to gain experience as it is probably the most popular way. I don't and advise others not to take anything personally that's posted for everyone has their strong opinion. Just highlighting the difference between a strong opinion and insults.