I invest primarily in Pittsburgh and if you asked me I'd probably try to talk you OUT of investing here unless you're willing to follow the steps I outlined about getting situated

Here are some general guidelines: Lien Position1st Position LienEquityMinimum Down Payment of 20-25% (a 30% equity to sale price is preferred)Down Payment made in certified funds and not borrowedMaximum Funding of 70% ITV (Investment to Value)SeasoningMinimum of two monthly payments already made12 months or more preferredPayer CreditCredit Score of 650 or higherNo major derogatory trade lines (No 90-180+ days delinquent, foreclosure, repossession, bankruptcy, etc.)No decline in credit since purchase of businessTermsPrefer 60 months or lessMaximum of 72 monthsNo Balloon Payment preferredCash FlowBusiness has positive cash flow1.25 debt service coverage ratio preferred.DocumentationPersonal guarantee from a creditworthy individualStandard documents including Note, Security Agreement, and UCC-1 filing.Tax Returns on the business that substantiate profit and loss statements.OtherPayment history current and verifiablePayer Interview indicating buyer is satisfied with business and comfortable making paymentsMotivation for selling the note is not a result of a deteriorating businessConsideration of high risk businesses or geographic areasIn these situations, sometimes a partial is a better option. 

The sellers you will be talking to will typically be in a bad situation which is causing them to have to sell their house, and at a big discount.

We hope that you can remedy the situation so that we can move into a habitable home.Suggestions that we have to fix the issues:Hire a company to rip up the carpets, treat the subfloors, and replace the carpets, at least on the main level and on the stairs.Provide an air purifier as a start to remedying the smell.Replace the garbage disposal.Hire a plumber to fix the draining issue in the bathroom sink of the smaller bedroom.Fix the tiles in the upstairs bathroom so they no longer present a safety hazard.Replace or fix the screen doors.Fix the gap between the windows and the walls in the living room.Hire a professional company to treat the entire home for pests.

Quote from @Josh Otero: Hi Briar, These are always tough situations.

I know of several DSCR and portfolio lenders who offer different terms based upon your situation.

Quote from @Havital Miltz: Wow a bit of a sticky situation, did you have a conversation with the seller, directly or thru your realtor prior to the closing to find out if the tenant knows they are supposed to move out?

Showdigs is another great option for landlords in your situation.

In a situation like that, if the market is right and the research is right, you're earning essentially everything you would in just owning the property outright, other than the fact that you won't get the tax benefits (but your LLC will). 

Unless there is an emergency situation, take a lot of photos and call your insurance agent before doing any repairs.