having to know what all these things are worth, and how good quality goods he can get from this particular note-promise-giver. Then he has to calculate the overall value.
I mean, some of them may be away when he visits or whatever, this can take a lot of time to sort out. Compare that with getting a stack of cash in his hand, and being on his way home.
Those notes are exactly that - a "a stack of cash in hand" when they are from individuals who have proven themselves with a previous history.
There will be lists of names to trust.
