Arc-Fault Circuit Interrupters

I don't mind buying some gadgets but I don't want to pay expensive subscription. This chat talked about 

free subscription from insurance company. if so, that is good to have. 

https://www.tingfire.com/ 

https://www.reddit.com/r/homeautomation/comments/1bfg3cf/have_yall_seen_anything_like_this_claims_to/

I think change of season especially into winter has higher risk due to contraction. I had an arc at circuit breaker wire connection to dryer. It may be good to have usb drive to record arcing for a few days.