thc count

can someone tell me what they think is the average bag weed thc count in their opinion. because i see that some weed has a count of supposely 20% while others say 8%.and was just wondering what be a could count. one more thing how can you get your hand on a thc counter?

lol bro this is a silly question, more thc = better buds, and i have no clue how they count it but im sure not with a "thc counter" lol

yea you can buy a machine to test levewls of THC but its a few thousand bucks... and not much fun