We give 'seed money' then the young church or enterprise takes over. So new Christians everywhere should be taught the necessity of regular, proportional giving. Above 1000, make it 7 people. Each group needs the other. They help us to be realistic, but when all the facts are in, the extra 'plus' of faith will help move mountains such as 'but we can't afford it', 'we'll never make it' etc.
Most denominations have a system for guiding local church treasurers, and systems vary.
The finance board of the church figured how much of the total should be readily available in liquid funds, how much invested at higher interest in a carefully balanced investment portfolio, and how much released for various projects. But I never have yet Felt a tinge of regret For being a little too kind. But humans, because of their insecurity, tend to be covetous, acquisitive. The desire to possess is very strong, and the more we have the more we want. Deficits, inflation, cutting down forests, the greenhouse effect, the destruction of the ozonosphere - all are caused by greed.