Desarrollar software

hi, i have a bot of steam for trade but i need to configure it with visual studio, that i dont know how to use c#. i explain my project. I want a bot for trade that when u add he say "hi i am a bot.... etc" but that inclued command (buy). this bot will be from mexico that there the item are more cheap for latam, so if u put buy (appid) example buy 720 that is the csgo, the bot go to market and the price in pesos mexicanos he add 15 % (for profit and steam commision) and he pass the data for the costumer like how much cost in usd with the 15% and give him a link of item that cost 0.03 but he put it with the price that cost, example 10 usd, so the costumer buy that item of 10 usd and the bot buy the game that he choose and give him in the account that he buy. i dont know if i explain good, if u need to contact me do it, anyway i have a bot file but ther are not configured for what i want