All the options are viable.
Option #1 Many people in Wazua are wary about this due to the hassle that come with it.
Option #2 is good but market maybe saturated.
Option #3 is good, only needs your attention or someone who loves this job to manage it for you.
However, story about "blos" and relatives in business is no to me
I've lost alot of money by employing relatives.
Currently, I'm nursing my tractor, which was totally misused. I've taken it away from home, and stored it in another mzee's store (non-relative) just to keep it far from my relas!!!!