Adding an ethyl alcohol like rum to THC is not a good idea, it fries the trichomes. If your a little bit of a chemist try making an ester alcohol.
The majority of foods are flavoured artificially by esters, you could produce a blueberry,cherry,artificial rum and so-on, and it requires little talent to make aswell.
As for the bubble hash, you can buy some kits online that allow you to do it very discreetly inside your kitchen, it requires little space and if you do a quick search you might find one.
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If your short on cash there's always the blender method, mixing your prime cuttings with ice and water in blender and blending it till it knocks the trichs off the plant trimmings. There's something about cold ice that innoculates trichomes, anyways, you allow this to sit and wait for the mixture the settle. You will notice a layer of cloudy trichs at the bottom, the plant debris floats on water but trichomes float to the bottom
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Then you can pour off the head of the mixture ( about 2/3's) and sift through a coffee filter.
The sludge left in the coffee filter when the water drains is your hash.