Know well the condition of your flocks, and give attention to your herds, for riches do not last forever; and does a crown endure to all generations? When the grass is gone and the new growth appears and the vegetation of the mountains is gathered, the lambs will provide your clothing, and the goats the price of a field. There will be enough goats’ milk for your food, for the food of your household and maintenance for your girls.
(Pro 27:23-27)
When I was younger I’d hear things like, “You should try to have multiple streams of income.” I would think, “That’s stupid and materialistic.
Anyway, the Bible teaches that it’s simple wisdom to have a backup plan for money and food. Ignore it at your peril. Or luck out and never need it.