try to EXPAND your mind over time-----the very first mastabas were not the HUGE PYRAMIDSgetting back to the GRAIN STORAGE idea----it seems to me that the very earlyGrain merchants...Who built the Egyptian pyramids?
"pyramids" called "mastabas" could very well have originated as grain storage
sites until----somehow, they got repurposed into tombs
Why? They had stone granaries.. The pyramids didn't have much storage room on the interior.
of Giza-------they were fairly simply structures