You can run the same scenario accounting for the tax hit if you kept it past the 2 of 5 year time frame I presume you are referencing. 

Also, make sure that they have money in their accounts in case things don't go as planned.

However, after accounting for long-term capital gains tax and other expenses, you would be left with $150k which is important to budget and account for.

Instead of their cash sitting in a savings account, they decided it would be a better investment to earn 3% on their money instead of .03% in the bank.

Have every detail spelled out, use an escrow account and daily updates verifying all parties are executing their responsibilities.

I once made the mistake of chasing multiple listings at once, which turned into a disaster.When I shifted my focus to serving one client at a time with honesty, integrity, and accountability, referrals started coming in without any marketing.

Thank you Eric.In addition to the rental properties, my wife and I have a paid off house, paid off car, and about $1.4m in retirement accounts, brokerages, and savings.We live in a HCOL area and our expenses are $9.5k per month even though we live pretty modestly.I set out initially to have real estate pay for at least some of my expenses in order to give me more freedom and financial security.Is your wife quitting too? 

As a percentage closing cost as percentage goes down as value increases but we will 15X to account for closing costsNo cash flow per OP.2% market appreciation equated to 30% + 15% = 45% 3% market appreciation equates to 45% + 15% = 60%4% market appreciation equates to 60% + 15% = 75%Recognize in virtually all markets the cash flow increases with hold length especially if a fixed rate loan. 

I think with it being newer accounts/investors they don't think of the specifics needed.

If you are able to setup a credit card identical to your accounts payable accrual account, it should operate the same.