This is how you do pricing,,first of all tembelea duka kadhaa zinazouza vitu kama zako ,ask their prices with that itakusaidia kuset prices,,secondly Kaa chini na receipts za vitu zenye umenunua calculate with different prices uone faida yenye utaget comparing to the prices you got from other shops after surveying their prices,,thirdly kama your are new kwa biz kata 2or 3bob kwa your prices Dio uvute vute customers,biashara ikaisha stabalize uza same price with other shops