I'm not sure if we can like to articles on our own websites here, so to be safe I'll just suggest the IRS web page, which does do a pretty good job of explaining the basics: https://www.irs.gov/taxtopics/tc510The main thing to know if you're going to claim business miles is that you do need to keep a log of every business trip. 

Quote from @An Lan: I am not a professional real estate investor, I just invest in houses as a safe asset and do not choose to rent them out.

You'll be tagging transactions throughout the year with categories that fit the Schedule E so when tax time comes (if you stay on top of it) every deposit and expenditure will already be categorized and it's quick to create the Schedule E and/or run P&L reports any time you need to.

It's My first transaction so I m hoping to broker it n whole it.. fingers crossed. 

It is up to the buyer to determine their own incentive and timeline, but if the agent feels like they are just wasting time and not going to get a transaction, the buyer is likely to be back-burnered since agents only get paid when a transaction occurs.

Use a 2nd position heloc to absorb your paycheck, once your paycheck is entirely paying off your heloc, then it is safe to advance $3000 or $5000 extra against your heloc to make a principle payment against your 1st position heloc.

Would we see increased cross-border transactions and a surge in property investment opportunities?

A ceiling has collapsed and the property is not safe to enter.

The "Initial Filing" is extremely important to get this right the 1st time as there are limited safe harbors for mistakes to avoid the penalties.

Its likely there is something on the application and background check that can be used to safely pass on an applicant like this.