Let me explain further .. to sail on the Nile is wonderfully simple. The river carries you north, but the winds blow south, so with a sail you go south.
People who wished to trade with Egypt (for the most part) came to Egypt they did not go to them. They didn't have to, Egypt was rich with gold and other highly valuable trade goods.
When they wanted to go to Punt they sailed down the coast to the horn and walked inland ....
Again ... in 600 BC when Necho wanted to go around Africa (or more correctly see if it could be done) he didn't send an Egyptian fleet .. he hired the Phoenicans... it took them three years
They who would give up an essential liberty for temporary security, deserve neither liberty or security -- Benjamin Franklin