Some of the thing they might have traded were
Gold,papyrus,linen, and grain for cedar wood,ebony,copper,iron ivory, and lapis lazuli.
Ships sailed up and down the Nile River , bringing goods for various ports.
Lots of egyptian traders often were from different civilizations The Sinai desert was important for its copper and gem stone mines, and its trade routes through Arabia to the Horn of Africa, and later to Persia and India.
Later on in the ancient egypt much of the trades there were in the hands of Phoenicians and greeks.
Egypt did not have much control over the flow of the goods from Africa to Europe and the near east end.
The water supply problem could only be fixed with two ways. Connecting