execute order after obtaining options and instrument details.

TODO Should we consolidate LimitBuyCallback && LimitSellCallback? LimitBuyCallback to refactor the code.

parse raw ticker string from user input.

make http calls to RH to get instrument data and current security pricing generate order options.

process all inputs for sell commands the input to this method should capture all the useful flags to the basic sell commands Params ticker: symbol of the security amountLimit: maximum value of the security for sell.

supported commands.

TODO comment.

TODO comment.

TODO comment.

TODO comment.