Told her that's how we roll.

There is no specific mileage requirement but it has to pass the smell test.

Obviously, if you are a GC then you need to know the code but reading the code book page by page is not how you pass the GC licensing test.

Let’s get the ball rolling.  

However, since that time I've caught the "real estate bug," and would like to do a cash-out refinance (I have fairly significant equity) to get the ball rolling. 

Then they list 7 specific rolls of an investor.

Hello @Jess ZavoralWelcome to the BP Community.Sound like you are ready to roll in investing and am looking for to hearing more of the investment journeyI had never heard of a full time investor until reading of Rich Dad's cashflow quadrant and Biggerpockets specifically for real estate.I''m yet to pull down my first dealNevertheless, its a career with time needed to spot those bargains and value adds.You get better and better with time and effort applied to sourcing leads, making offers, putting the financing together etcAll the best going forward

Let’s pretend you find one at only 3%.You take out $46k ($720k-$674k balance) and it costs $2k rolled in to the new loan. 

Here is a list of due diligence item I use on my MHP investments:Check zoning and permitting compliance (city zoning)Check local law compliance (with Sherriff and/or Police)Search City Council minutes for any adverse mentionsCheck with State Department of Public Health's Division of Community Environmental Protection (CEP) for compliance violationsCheck with property neighbors for any disputes or pending legal actions Water - Check with water provider for any open or recent issuesSewer - Check with Sewer provider for any open or recent issues or complaintsElectricity - Check with electricity provider for any open or recent issues Rent roll with space number, name of resident, move-in date, renter or owner occupied, number of occupants, monthly rent, additional charges, current balance due and any relevant notes about the residentList of capital expenditures for the last 3 yearsGet last 2 years of Profit and Loss statementsGet last 2 years of Tax Returns for the LLC/Park12 months of Bank Statements for the LLC/ParkCurrent Accounts receivable statementsBuild proforma for next 5 years using rent roll and expensesGet owed taxes to City/County/Local govGet Insurance Quote of commercial liability insurance2 years of utility billsProperty Tax bills for last 2 years List of park owned home including copies of “rent to own” or sales contractsGet list of vendors and contract status for each vendorTalk with on-site property manager regarding issuesConduct Onsite Property Visit with property managerSpreadsheet detailing who pays all utilities including water, sewer, gas, electric, trash, cable, etc.

As mentioned above, just pick one and roll with it.