Why the slope has to be solved first
A flat backyard forgives a lot of shortcuts. A sloped one forgives none. When a pool sits on or against a grade, the shell is no longer just holding water; it is interacting with the soil pressure pushing on it from the high side and the lack of support on the low side. Get that relationship wrong and the pool moves, and a pool that moves cracks. So on every hillside-adjacent project we start with the structural question and let the design follow from the answer.
That means a real soils read, a structural engineer sizing the shell and any retaining for the actual loads, and a build sequence that respects the order the slope demands. Sometimes the right answer is a raised bond beam and a cantilevered deck; sometimes it is a retaining wall tied into the pool structure; sometimes it is repositioning the pool entirely to sit on more competent ground. We figure that out before we quote, not halfway through the dig.
Builders who treat every yard like a flat lot are the reason hillside pools get a bad reputation. Designed and engineered correctly for the grade, a pool on a slope is no riskier than one on flat ground, and the view you get from a pool perched on a downhill lot is something a flat backyard can never offer.