Consider this video a guide to buy quality dried lumber and slabs Direct from sawmills.
Links
M2 Lumber https://www.m2lumber.com/
Understanding Wood https://amzn.to/3vcIgKF
Moisture Meter https://amzn.to/4amhZIp
My Links
website https://www.izzyswan.com/
Instagram / izzyswan_woodworking