Only if it fits into your business model, IMO. Just because your small startup gives away a small percentage of profit to charities doesn't mean you'll get a n

Only if it fits into your business model, IMO. Just because your small startup gives away a small percentage of profit to charities doesn't mean you'll get a net positive benefit out of it. In most cases, you'll clearly end up with a net negative. It's not really a trick you tack onto your existing product; it has to legitimately fit into your business model and market.