Only when you are moved by a painting should you buy it. Being moved is what collecting is all about.
Few things are as essential as education.
It is unsound for an independent editor to be a financial contributor to any cause which would cause any type of special pleading.
Don't worry about it. Babe Ruth struck out on occasion, too.
Never buy four C-plus paintings when you can buy one A.
You will not be satisfied unless you are contributing something to or for the benefit of others.