Thoughts on the 'need' factor of a main line surge protector

One time in my RV park there was an underground fault between two pedestals causing very high voltage on 1 line which resulted in considerable damage to a persons RV. I bought the best that PI
Had. I can’t imagine how much it would cost if that happens to my motorhome. It would be one heck of a lot more then the $400 I paid for mine 15 years ago. I have the PT-50c from Progressive Industries.

You may call me if you wish. I am a retired Electrical Engineer.