Additions are of great flips here, adding a 700-1000 sf here is very common, and 2/1 to 4/4 might just do the trick.

There are a ton of tricks to doing this....part is knowing your market well....what things costs and what labor costs is a good start.  

... you want water to run off your structure and not sit and absorb into your floor joist... and please note others comments on making it safe and not opening up your liability... another trick on a deck that feels wobbly is to run a diagonal or 3 under the deck joist.  

Well, all real estate is local, you can generally do what is customary without much fuss, however, what may have been customary in some area is always subject to change, the trick is to stay current so that when change happens,  you're not stuck with the consequences of what is no longer accepted. 

I've found few tricks as simply as this that have as high of an ROI. 

But the trick is to find what works and what is not just sharks eating minnows.

Is this a trick question ?

Hoping for tips, tricks and insight on getting in at the ground level.

The other trick is when they do work it's tougher to hold them accountable to he quality/standard of work you want.

Obviously, not on that scale, and I'm not looking to screw my local municipality out of tax money (I honestly have no issue paying taxes), but what are some of these 'little known tricks & loopholes' that apparently only the rich know about.