One packet of wheat flour, unga ya ngano, can make anything from between 18 to 22 chapatis. It depends on who you ask. A packet retails at kshs 115 and it is cheaper than a packet of maize flour by almost 20 shillings. So chapatti is replacing ugali at least as the urban staple.
Nowadays everyone says farming is cool. I tell them that the only cool thing about farming is the weather before 7am and after 5pm.