Time

Time is money.
Time is 24hours
How to convert
How much time you have waste in your life
spend time on facebook /instatgram /youtube 3 hours rather than spend time on reading or learning something on facebook/instagram/youtube ( free online learning)
all the problem convert solution
2005 February  YouTube

Alibaba
There is an opportunity behind the problem.

free online learning
.Avocado is a superstar on social media but they come at a cost.
which barely need a little water
I have been farming over 27 years .