One verse

Srimad Bhagavatam 5.14.26

5.14.26

क्‍वचिन्मिथो व्यवहरन् यत्किञ्चिद्धनमन्येभ्यो वा काकिणिकामात्रमप्यपहरन् यत्किञ्चिद्वा विद्वेषमेति वित्तशाठ्यात् ॥ २६ ॥

kvacin mitho vyavaharan yat kincid dhanam anyebhyo va kakinika-matram apy apaharan yat kincid va vidvesam eti vitta-sathyat.

kvacit
sometimes
mithah
with one another
vyavaharan
trading
yat kincit
whatever little bit
dhanam
money
anyebhyah
from others
va
or
kakinika-matram
a very small amount (twenty cowries)
api
certainly
apaharan
taking away by cheating
yat kincit
whatever small amount
va
or
vidvesam eti
creates enmity
vitta-sathyat
because of cheating.

As far as transactions with money are concerned, if one person cheats another by a farthing or less, they become enemies.