The closer they are in square footage, age, numbers of bedrooms and bathrooms, lot square footage, the more accurate they will be for comping purposes.

Besides the trash and sewage I would add in insurance costs, maintenance (depends on age and condition of property but one month's rent is a good start), and obviously the mortgage payment based on the terms of your FHA loan. 

That way others can learn whilst you do.

A relative of mine had a house free and clear, got remarried and died before her husband who wanted to return the house to her grandkids(they were middle aged when they married and both had families from previous marriages) but he must've passed away before updating his will.

I have met a few people around my age at local REIA meetings. 

@Ryan Mullin  well you guys will be like Portland when you get a TV show like Portlandia and of course Grimm... we are hipster central.. average age in PDX is 33 YO

I currently live on my own (renting), and have a great job for my age with a decent amount of disposable income.

Hi @Zeb Getrost,How to get started investing should have less to do with your age and how much money you have, and more to do with why you are interested in real estate in the first place. 

If it doesn't, load up the belt sander with 100-grit,  sand the problem area again enough to take off the poly, stain the wood lightly with an oak stain (usually the best stuff for faux-aging oak will be marked "golden oak"), and poly it up again.

They can also help you make a rehab budget.In my experience, the major things that you are going to want to be aware of are:Structural or Foundation problemsTermites or other wood destroying organismsMoldType and age of wiring (knob and tube, romex, fuse box, 80 amp service, 100 amp service, 200 amp service, is it grounded properly, etc.)Condition, age, and type of plumbing (Galvanized, PVC, pex) as well as water source (city water vs well water)Type and Age of Sewer system (Clay tile sewer line, PVC sewer line, septic, etc.)Pets control issues (bed bugs, roaches, fleas, etc.)Condition of RoofCondition of MechanicalsCondition of WindowsI think those are the most concerning ones.