If you aren't doing it, you should use the average amount with the oil company based on other year's usage and they will average it so it's not $500 in one pop (depending how big these tanks are).

They come with strings and fees so whether they are worth it depends upon whether you can live with the strings and have enough gain scale to justify the fees.I was looking at Delaware Statutory Trusts for similar reasons and opted not to go with them as most I've seen are incredibly inefficient due to massive internal fees which grind into dust much of the tax savings, so what would be the point. 

If I would have known about these earlier I would have bought less personal real estate, but again it depends on your goals of leverage, building wealth, risk, and your overall perception on how to handle your money.      

Walls don't look bad at all overall but it depends on whether you have touch up paint that matches or not.

This depends.

It is a very block by block city depending on the neighborhood.  

It all depends on your appetite for risk.

For design, it really depends on your preference? 

Now if you want to buy and live there forever or you want a specific location or lifestyle or the amenities, might be something to consider, but not for investment....they're for living.Your best option right now depending on your income, is probably to buy at least 4bed house or 5 bedroom if you can make it work financially and rent bedrooms. 

Most hard money lenders are going to require 10 -20% down payment and then require you fund bring 10 - 20% of the rehab budget depending on your experience flipping (in your name/LLC you own), property ARV, etc.