They just drain the tank and fill it with a type of cement slurry.If oil is the current energy source though you'll also have to factor in a new energy system, furnace, etc... 

Marcel B...It takes time, but you can increase it by paying timely and reducing balances owed.  

I have purchased properties that were county appraised at $70k, rehabbed them, then appealed the taxes based on my purchase price, repairs, and area comps to reduce their appraised value to $45k. 

So are you saying that I need more equity in my rentals to reduce my risk to the bank?

I like the added income stream,  tax credits for solar, depreciation, and the clean energy renovation to the buildings.

Gas is serviced by DTE or Consumers Energy (southeast Michigan utilities).

I have never seen a property that has exhausted all possible appreciation forcing opportunities so even if it seems stable it might still have some "meat on the bone" to improve income or reduce expenses (e.g 100% occupied property usually means there is some room to increase rents).Lastly, forcing appreciation might sounds like an awesome thing to do but it involves a lot of hard work, careful planning and being ready for the hiccups and surprises life throws at you. 

If you think you will be able to increase rents/reduce expenses it could make a lot of sense.A few bonus questions,- What's the condition of the main sewer line?

Va Loan funding fees can be rolled over based on lender guidelines, here is what I found from veterans united "The money received from the VA Funding Fee is used to offset the few loans that go into default, and further reduces the cost to taxpayers, ensuring the VA Home Loan program continues for future generations.

forget investing for the moment your whofully undercapitalized.. and you could end up losing whatever you have.if you want in real estate and your working part time now.. get a RE license cost maybe a grand.. so spend that on education.. get in with a top flight broker on their team.. earn while you learn.. then start saving money.. hang with the club that does deals  IE real estate agents.. you will find off market deals before anyone else and you don't have to send or spend money on marketing to get them its all in the club.short of that take your degrees and energy and move to a better work environment.