First consider security ya the location you want to put up the biz, also get the area with most traffic ya watu once you identify the place you can improvise or enhance security measures by putting strong metallic grills and also cctv cameras your security and your business is very paramount then get the line from safaricom and get a capital of as low as cash 20k and float of equivalent amount to run the deposits and withdraws, there is no extra money needed to pay you only need to have good conduct that proofs you're capable and morally right you can also attach any relevant document to show that you're not a bad person and you're capable of doing the business this means also grooming and your appearance matters alot, also be very keen you may need a machine for identifying fake notes.