Check other users' profiles on Steemwhales to get a good snapshot of their earnings based on their SP levels and their posting.
Receiving your rewards in SBD (50/50) is best when you think the price of SBD will be over $1 in the future because the blockchain always assumes the price of one SBD is $1. Therefore, if the market price of a SBD increases to $1.20 you can use it to buy an extra 20% STEEM assuming the STEEM price hasn't changed significantly.
Continue posting about real estate. That is a topic area that isn't saturated on Steem and probably represents an opportunity for you to build a niche.
Good feedback