Learning the basics of electrical , plumbing , AC , painting etc will help you in this line of business which also save you a lot when you acquire your first home.This is how I got started , maintaining the rentals of my uncle  when I was your age. 

Let's say I come across a property  in Atlantic City, NJ with good bones (roof, plumbing, windows, electric, etc..), or even Turnkey!

The seller and I could not come to terms over an issue that arose in my inspection regarding upgrading one electrical panel.

11DefineConsult an interior designer12PlanCreate project plan (timelines, key dates, who to contact)13PlanCreate budget and brainstorm financing options14PlanSecure financing15BuildGet permits and licenseses16BuildGet water/electricity/power hookups set up17BuildPrepare for build (e.g. lay foundation)18BuildBuy structure19BuildBuild and remodel structure (insulation, electric, siding, etc.)20BuildBuild out interior design (e.g. paint, decorate, etc.) and buy appliances/decor21BuildBuild out lawn and landscape22BuildFinalize the exterior of the building (e.g. paint and fixtures)23MarketTake photos24MarketCreate listing25MarketCreate websiteThanks!

No changes to electric, plumbing, etc.

It has the tiniest sink virtually no cupboard space a toaster oven sized toaster/convection oven a small microwave and an electric skillet but no hotplate or stove type setup.

The electric bill came up unexpected that month7.

A few electrical and plumbing issues were found during the inspection which again had to be repaired (payback for skipping on a good contractor) but we closed on-time and I was out of the deal.

ARV : $250,000Monthly gross rental income: $4600Monthly mortgage payment: $1100Property description: completely vacant 4 family (three 3 bedroom, one 2 bedroom apartments) in a competitive rental market with housing shortage (large pool of candidates) 7000 sq ft property with massive units, roof was torn off and redone, newer hot water heaters, furnaces, electrical, plumbing.

Upgrading your electrical service to 200 amps doesn't really increase the value of your home, same as new windows.