If you need a daughterboard and an SSD to get away from SD cards then yeah it's going to get expensive. Maybe find an SBC family that likes to use eMMC? Gen 1

If you need a daughterboard and an SSD to get away from SD cards then yeah it's going to get expensive. Maybe find an SBC family that likes to use eMMC? Gen 1 was also an overstocked orphaned SoC. It was literally a freebie from Broadcom. People got spoiled.