He went on his journeys from the Negev to Beit-El, to the place where his tent had first been, between Beit-El and Ai.
Rashi on Genesis 13:3 — returning by the same lodging places.
English: He went on his journeys — when he returned from Egypt he lodged in the same inns he had used on the way down. This teaches good manners: a person should not change his inn.
Supplementary classical material not listed by Torah Temimah under this exact passuk.