Does anyone have experience or advice on how to choose the right size?"

but it sounds like your mind is made up on this mentor.. flipping right now is a pretty tough gig for a beginner depending on market. very low inventory then sky high rates for your buyers. so use caution be careful also make sure you have a GREAT RE Broker who knows the values and what you should and shouldn't do in the rehab to maximize your returns. these things are very market specific U simply need to make sure your matching what is expected in the market you choose.. 

Lenders can choose to require a HIGHER score, but they can't allow a lower score if it'll be backed by Fannie/Freddie.

If you're wanting to put it into real estate, then choose a custodian like Advanta, Provident, Nu-View, Quest, etc that will allow you to truly "self-direct".

is an add on that scrapes creative deal leads from an areas of your choosing FSBO and Expired leads. 

Choose which option you are going with. 

I personally would not choose to swap a tanked water heater to tankless at a rental due to increased maintenance.  

After rehab, the ARV is projected at $320k, which could yield $55-65k in profit from a flip (after taxes), or a ~5% cash-on-cash ROI if we choose to BRRRR.

It’s also possible to have a negative net worth, which means your liabilities are greater than your assets.Examples of assets that may be included in your net worth include:Business interests Cash and savings Investments Personal propertyReal estateRetirement savingsVehicles Examples of liabilities that may be included in your net worth include:Credit card debtMedical billsMortgagesPersonal loans Student loan debtVehicle paymentsNet worth is very easy to calculate: You add up all your assets and subtract your liabilities.The net worth formula is:Net worth = Total assets – total liabilitiesHow to Select a Net Worth TrackerYou can choose from several net worth trackers to help you monitor your financial position.

Augustine but choose to live in Palatka due to the lower cost of living. 32208 is another good investment zip code in Jacksonville, but be mindful of flooding issues if the property is close to the Ribault River.