For example, CA property typically cash flow min $200/mo or barely breakeven after paying PITI, but appreciation is like $4K-$6K per month For typical 600k house, appreciation rate is 5.8% per annual.

In that sense, when an investor buyer is competing with other investor buyers for an off-market property, you are not typically given the opportunity to perform a full third-party inspection prior to putting in your highest and fastest cash offer.I'm not a pro by any means with off-market properties.

However, there are some general guidelines and considerations that landlords typically follow:Check local laws: Different regions have different laws regarding rent increases.

Is it worth waiting until September and hope the market is still as strong or take the hit on capital gain taxes and sell now.Secondly, if we do hold this property would it make more sense to prioritize debt paydown (instead of investing in another property, put our cash towards our mortgage payment and have it paid off within 10 years.

If a commercial property such as 9+ residential units (such as an apartment building) or not residential, the below doesn't apply. 9+ units typically take extra expenses into consideration such as management fees, utilities, etc. 

Typically that's the roll of a business broker vs real estate agent, although sometimes one person does both.   

The Drywall Hack from Way Back is past its expiration date.Drill some small, easily patched holes and take a look down the stud bays of the wall in question (they will typically not be wider than 15 inches) before you start in on the major wall surgeries.

Typically I see some OAs and PAs that grossly undermine the the goals of the investors.

Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+, zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680, some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

However, if it is already tenant occupied or you have tenants moving in on a certain date, it may be worth soaking up the additional 15% to use the PM contractors.