When I retired three years ago, I discovered significant billing issues behind our sporadic ‘‘cash-flow problems,’’ and set to work organizing his accounting and creating invoices.

Readers help support Windows Report. We may get a commission if you buy through our links. Running a business encompasses many financial functions, so you definitely need the best invoice software for ...

Much controversy surrounds quid pro quo in politics—so much so that, in the last 40 years, many cases have appeared before the Supreme Court to define what constitutes an illegal agreement.