Not everything is about money or paying for things.
>but, on the other hand, people are in dire economical condition, so it's hard to sell them anything.
Buying and selling things is a very American construct and tells like 1/4 of the story when it comes to trading.
I grew up in a rural area of the US. Lots of folks are poor but wealthy beyond measure. Bartering goes a long way and only works if you provide a service that is valuable ;-).