I wish 419mining was within walking distance too.  My wallet is happy they aren't.

I picked up a NewPac to play with so my son could see what mining bitcoins was all about.  
We received a NewPac yesterday and had a seamless Raspberry Pi install thanks to the directions on this thread.
It's fun to play with overclocking, so I've been pushing it a bit without a powered hub.  
The NewPac has been running great on the pi @225MHz and averaging just over 50 GH/sec.  250MHz causes immediate zombie (guessing power limit is reached?)
Small 40mm USB fan for active cooling and the heatsink is barely room temperature.  

40mm USB fan link: https://www.amazon.com/gp/product/B07CNJ4DYX/

Setup with temporary pi base: https://i66.photobucket.com/albums/h263/dfib/Mobile%20Uploads/20190215_151727_zpsrinv2sk7.jpg

Now I have to talk myself out of ordering a hub and a bunch more NewPacs!