Water's mostly a myth, beans and grind matter way more than some gallon jug.

Reading those contracts line by line wont save you either. A 30 day exit is pretty standard in white label deals, so even if you had caught it you probably would have signed it anyway. The real fix is not the clause, its having a contract with your own clients that lets you replace a source without losing the client, plus keeping 6 months of cash so one partner leaving does not wreck your hiring plan. Also, 4 retainers a quarter from one dev shop was never a pipeline, that was a single point of failure dressed up as growth.

The tub trick works but glass doors are a whole different beast, dish soap won't touch those hard water spots. You'd basically be giving your shower door a nice warm bath while the calcium laughs at you. Try vinegar and a dryer sheet or just accept that your deposit is the price of clear glass.