What is the best way to buy weed

Like is there any darknet site that I can buy cheap weed or any legit place I can go to buy?

No, 99% that it is stretched.
Grow it yourself or buy it legally in a country where it is allowed that way you aren't risking your health over it.

Best way to buy weed is not to buy weed. Keep healthy.

No idea, but drugs bad no drugs good so yeah that's a fact maybe you shouldn't