Bring small donors in at the bottom. Move ’em up, incrementally, to the top. What happened was the donors at the bottom didn’t get much attention, leading to a situation where today 79 percent of first-time donors flow right out of your base. In other words, the pyramid’s base is more like a river than a solid block of bricks. Not very strong. A pretty wobbly foundation on which to base the life of your nonprofit.