Warrant vs. Trading Account

[DCTrader]

When buying instalments... Is the brokerage cheaper through the warrants account and can we hold them in this account? Also, when are we going to get the functionality to move funds between the 2 accounts? Like now, I want to buy some wave warrants but only have cash in my trading account. Just means extra brokerage for SFM! I know this has been mentioned a lot on this forum, but when can we expect to see any action from SFM's side?

[DCTrader]

Where can i see the fair value of an instalment... ???