This is an area where banks can help. A bank can loan you the money immediately after the job is done with a low-ish interest rate (since your client is publicly traded and reputable and presumably highly creditworthy) and then ask for repayment only when the 45 days EOM is up. Alternatively you just ask the bank for a fraction of the invoice amount upfront and not think about paying interest to the bank any more. It's called invoice factoring.
That sounds like some good practical advice, but also slightly vomit inducing.
>> Economists such as Lord Adair Turner, the former chair of the British Financial Services Authority, have argued that innovation in the financial industry is often a form of rent-seeking.[24][25]
Do they not teach this stuff in an undergraduate business classes any more? "Float" was BIZ101 and in BIZ102 you learn how to read financial statements...
The "genius restaurateur" in the article rediscovered the art of not paying your bills with a credit card, i.e., the "debt trap".
It's similar to a payday loan, except for businesses. Maybe that's why the bad rep comes from. Of course with my personal experience the interest rate is nowhere as high.