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 - https://www.instagram.com/izzyswan_woodworking/