Should be able to find cheap amps on craigs list or similar places. Lots of people getting rid of good old equipment to be replaced with blue tooth to work with their phones.
It gets expensive when the snow sliding off the roof wipes off the expensive pipe. Put the stove in the middle!!!!! And even with 2 crickets my pipe still got wiped off.
Here in South-central Alaska the ultimate and preferred stove for a large cabin or house is
https://www.blazeking.com/products/wood-stoves/king-classic/
or for a smaller cabin or home
https://www.blazeking.com/products/wood-stoves/princess-classic/