If you are going to have a flourishing business my advice is be creative and get going faster than horses. Don't wait for anyone to validate your idea. I tried a few creative things without asking customers and they are actually working.
Angalia watu wanaokuwa wahubiri wa kimataifa. Utakuta kuna kitu anafanya EXTRA. One more EXTRA foreign language. Maombi kidogo EXTRA. Kufunga kidogo EXTRA. Kusoma NENO kidogo EXTRA. Nk. Hata Mtume Paulo ana nyaraka nyingi kuliko mitume wengine kwa sababu ya hiyo EXTRA.