I did . All you need is google spreadsheet and api key . Just fill cells as in my first comment and it will work . If you want more items select c 4 and drag it down . Any calculation beter do in other sheet . Data is in copper . <| sep |> are you being obtuse deliberately ? and with the merest scrutiny of your proposed truismhow does one find a ' cheaper ' 1 bed in Walthamstow after selling ' cheaply ' a 1 bed in Walthamstow ? Wither the end of the line ? I can taste the response now . nothing wrong with Cheshunt , and it ' s zone 8 ! you can use Oyster , ergo LONDON ! In 5 years , will we be discussing a post querying if selling a 1 bed flat in Cheshunt could buy a 1 bed flat in Cheshunt , or will you comment that they could buy a 1 bed in Stansted Mountfitchet which is ' cheaper ' than Mayfair . the I ' mAlrightJackism in this sub is deliciously bourgeois on occasion .