"Get a grip folks. Figure out how much power you actually use, buy the batteries necessary to support that use, and then buy the solar panels needed to keep those batteries charged. Use the money you saved by not buying excess capacity to go camping! "
You forgot time. You need batteries to support that use for how long?
You draw from the batteries in short time bursts, but the solar is "low and slow" making up over time. Tortoise and hare.
Over-panelling is good where there is some "waste" at noon, but then it does better when the sun is lower the rest of the day. So not wasted. Time matters.