Covering most of the routine maintenance items here. 

Wholesaling and flipping is going to be a lot more time consuming and active type of investment where building a portfolio of rentals can be a lot more doable while also working full-time. 

You could easily have any two of the areas mentioned (in some areas one) consume 8 hour classes, 5 days a week for an entire 6 week semester.

Because you are self servicing your loans most are not legally compliant with consumer protection laws and CFPB requirements such as sending statements on a monthly basis that have all the language the CFPB requires as well as each state may have additional requirements for sending out just a simple statement.

Divorces are not usually amicable so trying to get another party to agree to make money on the house (and move you out) will be time consuming and very unlikely.This statement though, "it is just sitting due to interest rates", is troubling.

That's actually a comedy routine to an experience investor.

Even when wholesalers “kinda’ admit to the seller that they are going to “wholesale” the property, they still tend to mislead the seller by talking about “financing partners”, “equity positions”, “mentors” “membership” etc.So, various states have, under the banner of consumer protection, enacted legislation to restrict the use of the “wholesale” transaction in RESIDENTIAL OWNER OCCUPIED real estate - note, not commercial property and not residential when the transaction is between 2 investors. 

I never investigated further.I always questioned his recommendations because at the price/rent point he was advocating, the maintenance/cap ex would consume too much of the rent unless actively self managed.  

Costly and time consuming with no guarantee of success.

If wetlands are involved the process can get pretty time consuming, and costly but with your 3 - 15 acre lots you may be able to avoid impacting them which will save you a lot of time and money.I hope this isn't too confusing.