Size and scope of operations needs to be considered.

It helps to understand the many ways investors calculate ROI and the definitions used such as capitalization rate, net operating income, debt service,  cash on cash return, etc.In your question you use very broad numbers.

. - I think that there's somewhat of a consensus that you may find that you have underestimated operating costs for this thing.

I've checked my offer contract from when I purchased the property and the following clause was specifically added: "At closing, seller will assign all leases,transfer all security deposits and rents and provide operable keys to buyer."

Although this partnership is a good fit on paper, I would highly recommend that one's partnership somewhat compliment your personal investing style.Sometimes, that polar opposite creates a good balance; but also it challenges.I am providing this post mostly to share my personal observations and also, because there are equally as many request seeking partnerships and funding.For those individuals, I submit that that partnerships with colleagues, family and friend inherently involved possible nuisances in operating style, priorities, and realistic timeframes on the amount and division on your net return of investment.In summary, think, plan and have those discussions prior to forming your partnership, funding etc...these are just my thoughts in hindsight.

Cash-on-Cash Return Cash-on-Cash, the popular real estate investing return, is explained including its meaning, shortcoming, and formulation...Debt Coverage Ratio (DCR) A ratio investors and lenders use to track and compare debt-related outcomes for rental property and measure financial risk...Gross Rent Multiplier (GRM) A quick and easy way to determine whether or not a property is priced in line with other similar-type properties...Internal Rate of Return (IRR) The time value computation that shows the ratio between future cash flows and initial cash investment as a percentage...Loan-to-Value (LTV) A computation related to mortgages that lenders use when financing investment property as a measurement of their financial risk...The Maximum Purchase Price Calculation A calculation investors can make to determine the maximum price they can pay for an income property to at least break-even and avoid a negative cash flow...How to Compute Net Present Value Net present value is explained along with its formulation and use in real estate investing...Profitability Index The time value computation that shows the 'proportion' of dollars returned to dollars invested rather than the amount...Rental Income Property Cash Flow A fundamental look at rental income property cash flow for those of you new to real estate investing...Sinking Fund Factor Know the amount you you must start setting aside on a regular basis now to cover a capital expenditure scheduled in the future...Tax MattersIncome Property Operating Expenses and the IRS Tax Code Learn what operating expenses should be included in a rental property analysis as well as what the tax code says about operating expense deductions...The Recapture Tax Real Estate Investors Face When They Sell The seldom expected recapture tax real estate investors expect to owe the Feds after they sell their rental income property....The Cash Flow After Tax Calculation How to calculate cash flow after tax step-by-step starting at the gross scheduled income...The Depreciation Allowance According to the IRS Tax Code How the IRS figures the depreciation allowance for investment real estate along with its concept, limitations, and formulation...Understanding Rental Property Depreciation and Recapture Tax Rental property depreciation allowance and the recapture tax associated with it are explained...AnalysisCap Rate or GRM?

I could potentially keep the businesses as long as they were absentee operated, but if I can sell them, I can free up capital to use to purchase other businesses and properties.

If you're going to have multiple members, and need a very clear operating agreement and exit strategy, you should hire one (and we'd be happy to help). 

NoOhio Revised Code4735.01 Real estate broker definitions.As used in this chapter:(A) "Real estate broker" includes any person, partnership, association, limited liability company, limited liability partnership, or corporation, foreign or domestic, who for another, whether pursuant to a power of attorney or otherwise, and who for a fee, commission, or other valuable consideration, or with the intention, or in the expectation, or upon the promise of receiving or collecting a fee, commission, or other valuable consideration does any of the following:(1) Sells, exchanges, purchases, rents, or leases, or negotiates the sale, exchange, purchase, rental, or leasing of any real estate;(2) Offers, attempts, or agrees to negotiate the sale, exchange, purchase, rental, or leasing of any real estate;(3) Lists, or offers, attempts, or agrees to list, or auctions, or offers, attempts, or agrees to auction, any real estate;(4) Buys or offers to buy, sells or offers to sell, or otherwise deals in options on real estate;(5) Operates, manages, or rents, or offers or attempts to operate, manage, or rent, other than as custodian, caretaker, or janitor, any building or portions of buildings to the public as tenants;(6) Advertises or holds self out as engaged in the business of selling, exchanging, purchasing, renting, or leasing real estate;(7) Directs or assists in the procuring of prospects or the negotiation of any transaction, other than mortgage financing, which does or is calculated to result in the sale, exchange, leasing, or renting of any real estate;(8) Is engaged in the business of charging an advance fee or contracting for collection of a fee in connection with any contract whereby the broker undertakes primarily to promote the sale, exchange, purchase, rental, or leasing of real estate through its listing in a publication issued primarily for such purpose, or for referral of information concerning such real estate to brokers, or both, except that this division does not apply to a publisher of listings or compilations of sales of real estate by their owners;(9) Collects rental information for purposes of referring prospective tenants to rental units or locations of such units and charges the prospective tenants a fee.

I would definitely recommend that you consider your $50k as operating capital and structure your deals to use as little capital as necessary to acquire and stabilize a property with the intent of pulling whatever capital is invested out of the property as soon as it is stabilized.