I picked up this one on Amazon for $14.
Etekcity Digital Kitchen Scale Multifunction Food Scale, 11 lb 5 kg, Silver, Stainless Steel (Batteries Included)
https://www.amazon.com/Etekcity-Multifunction-Stainless-Batteries-Included/dp/B0113UZJE2/ref=sr_1_3?ie=UTF8&qid=1492392557&sr=8-3&keywords=digital+food+scale
Works great and cheap. Like other have mentioned, I like weighing the wood and keeping track of what I do so I can fine tune the tastes so what you like. Being able to repeat results is what I am shooting for so measuring is a must.