@whitegreyblack: Having just beaten the game I can tell you not to worry about the Moolah requirement. It's not for checkpoints. Those are ALWAYS free. You occasionally get doors that need Moolah to pass. 99% of the time you get some stuff around them that provides a bunch of Moolah, and a good chunk of them are optional. Some are shortcuts back to the start of an area, others are to get to some Mudokons, and a small handful to progress (progression ones tend to have low requirements). Plus if your playing like they intend and searching all the lockers, dumpsters etc. And remembering to trade in the empty bottles you get, the requirements are a joke and may as well not exist
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