I guess you save a lot on school clothes. (Uh. No. Homeschooling doesn’t mean the kids learn naked – and never leave the house – and stop growing.)
I don’t save anything on school clothes just because we homeschool. We still get dressed, go on outings and field trips, face to face meetings with online teachers, and events, and other things outside of the house. We do museums, lunch dates, play dates – I actually have more laundry and “back to school” clothes to get now – no school uniforms! If this was your best guess – you guessed wrong.