When you make canna-butter or coconut oil the most important thing is that you keep the Temp under 360 DEG Fahrenheit.
First established the potency.
1 oz of bud will have about 15-25% THC
shake has about 1/4 of the THC as the bud
Kief has about 40-50% more THC than bud
Wax has about 40-60-%...