BY HOWARD TULLMAN for INC. Mark Twain said that a banker is a fellow who lends you his umbrella when the sun is shining but wants it back the minute it begins to rain. I'd say his view was a little narrow, since plenty of investors are certainly charter members of the same unreliable club. The overnight run on Silicon Valley Bank and that institution's ultimate collapse -- which most of us believe was driven by the panic of a few key, well-connected, and cowardly VCs with social media megaphones -- is just one of the latest cases in point. As…
How to Fire Your Customers
