1. In a cash account you cannot short (but you can buy puts, however you cannot sell premimum unless you spread)
2. 4 trades and you get 90 days none trading (that is why I believe IB gets you at 3).
3. OP's friend has most likely inserted a little lie in there. With two accounts you are still limited to 3 round trips otherwise you will run out of margin or you violate the PDT.
OP: choose another friend. Either you did not report ALL what he said correctly or he is a combination of truth and ...
2. 4 trades and you get 90 days none trading (that is why I believe IB gets you at 3).
3. OP's friend has most likely inserted a little lie in there. With two accounts you are still limited to 3 round trips otherwise you will run out of margin or you violate the PDT.
OP: choose another friend. Either you did not report ALL what he said correctly or he is a combination of truth and ...