Sometimes the Feds seize money at the border just because it is over the limit and not declared.

If you haven't been declaring income and expense then you're in a dilemma that would be uncovered if your exchange were ever audited and probably would not go well for you.  

Theres a lot of debt to go around in my house, as my younger brother (19) has a combination of a defect in his aorta valve as well as the disease hypertrophic cardiomyopathy (probably spelled that wrong, its the same disease that most of the young highschool atheletes died of on the court/field from being undiagnosed, thankfully his aorta defect allowed for frequent testings and caught it ahead of time) and a mytochondrial defficiency in his skeletal muscles.

She declared she was "the General of this house."

Here's he declaration you'd need to sign:https://www.sanjoseca.gov/DocumentCenter/View/2124-  Even if you could get approval to build yourself, the cost of architectural drawings (by someone who knows local codes), permitting and impact fees would would be half of your budget

It's helpful to get this drilled into your head early, as you'll build up a mental muscle to avoid spending money on depreciating assets.

Another friend of mine declared bankruptcy and lost 32 rental properties, and lost his desire to ever buy another property. 

You can declare drug income and pay the taxes up front.  

@Grace Carney Hello and welcome to BP, a great place to work your out your investor muscles. 

People that are attached to their property or can't sell for breakeven or better are going to Airbnb.com to rent for short term to tourists for a lot more money per Day, but, that falls under the Hotel rules and they are strict and don't keep the cash and not declare.