get the bubble bags and make sure you get the real mcCoy and not some fake ass bags (very important. the machines (thebubbleator is good but for large amounts its a pain in the ass tbh
oil extration via the bee wax and sepration method is nice but i wouldnt do it all the time
fwiw i much prefer the bubble as i get around 8 - 28 grams (depends on the strains im working with) every time i crop off just from my trim and the pop corn buds if the bottom of the ladies skirt
finally bubble is very easy to work with compared to the oil
defo go for the bubble bags my saan
hope that helps