Why is it necessary to maintain a 10% buffer in case something goes wrong? Pricing in the economy has been somewhat unpredictable as of late. Taking up a sizable project can be a risky proposition if you don't already have some savings under your belt. Therefore, in order to ensure that you are able to handle any kind of expense escalation, it is essential to make sure that you have a little bit of a buffer ready. We don't want to put undue...

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