We find that the Torah tells us in Chapter 13:2, “And Abraham was very rich in cattle and silver and in gold. And he went on his journeys from the South even to Beth-El unto the place where his tent had been in the beginning, between Beth-El and Ai.” Rashi, the greatest of all commentators, explains in one of his interpretations that “and he went on his journeys” means he actually paid his debts.