Besides picking the winning lottery numbers, shorting all the stocks and just happening across this legendary idea of electric cars and going to mars.. what would you differently in your early 20s finically, business, and personal development?

Seven of the eight people allegedly targeted work or had worked for US defense contractors.https://www.dw.com/en/us-arres...Chinese Engineer Accused of Stealing General Electric Technologyhttps://www.nationalreview.com...Chinese Engineer Accused of Stealing U.S.

It was extremely challenging to make it happen and included my first offer being accepted then canceled halfway through the process due to unforeseen plumbing issues.Details:Description: Rancher 950 sqft (2bd, 1ba - potential for another bd or another ba by converting closed in porch to sqft)Location: Near Forest view heightsPurchase Price: $90,000Negotiation: Reverse foreclosure; no negotiation possibleFunding: Fannie Mae Homestyle Renovation Loan through Prime LendingClosing costs: $6,000Additional funding: Reno financing through loan $10,000 (HVAC, plumbing, electrical)Currently all-in at $106,000 and living in the house as my primary residenceLeft to do:Determine ARV (150-200k depending on additional renovations)Get a better handle on potential rentsDetermine additional repair budget (15-35k) depending on ARV target and potential rentsComplete, at minimum, a utility room addition, bath and kitchen remodel and porch conversionBig thanks to @Stephen Glover, @Shera Gregory, and Fixer Upper Coach Pete DeWorken and many others for their advice already in this process.

The other systems that are expensive to replace might be areas of concern; mainly the furnace, plumbing, roof, and electrical.

My tenants notified me that their electric bill has doubled in the last few months.

more details...the tenants pay gas, water and electric for their individual units.  

Do you have any pictures of the gas boilers and electrical service?

As a side effect, this will also protect their stuff if something goes wrong with the place that you're ultimately responsible for like an electrical short or a burst pipe. 

If they don't require detailed plans, do you know enough about code requirements for plumbing, electrical, building (egress, wood sizing, etc) that you can specify everything?

Current owner pays water and each tenant pays their own electrical.