ProSpeak: A Layman’s Guide to Understanding Today’s CRM Solutions for Nonprofits

This approach only works for precisely the business rules and products originally outlined. It’s as though you wanted to receive and send packages through UPS, FedEx and the U.S. Postal Service — that would require three mail slots installed to accommodate each company’s packages. Although this model is open, since the vendors involved have standardized the mail slots, you still pay each to install its standard mail slot. It leaves you little control, and future changes usually trigger additional costs.