What do you think of this? It's half the cost of the JBJ. The only thing that concerns me regarding any electronics is fire hazard. All ATOs can get stuck in the "on" position, and I'm taking precautions.
https://www.ebay.com/itm/AutoTopoff...572753?hash=item2864f69251:g:UOwAAOSwmLlYB52i
https://www.ebay.com/itm/AutoTopoff...572753?hash=item2864f69251:g:UOwAAOSwmLlYB52i