With the above said we have a 75 acre country subdivision coming online this spring.  100% cash.  

Invest in as long as it takes you to write a check, do a wire transfer, or even an online bill pay4.

These are features like online renter payments, tenant portal (for payments and work orders), help keeping track of work orders, tax reporting features, and accounting functionality.

I've been doing my own bookkeeping on Quickbooks online and it doesn't take too long. 

Be very careful who you take advice from online, you should get involved with a local attorney and a local realtor.

Mortgage recasting is a great option for homeowners who:Have received a windfall, such as a bonus, inheritance, or proceeds from selling another property.Want to lower their monthly payments without extending their loan term or going through the hassle of refinancing.Are satisfied with their current interest rate and loan terms.How to Get StartedIf you’re considering mortgage recasting, here are the steps to take:Contact Your Lender: Ask if they offer mortgage recasting and confirm your loan’s eligibility.Determine the Lump Sum Amount: Decide how much you can afford to put toward your principal.Calculate Potential Savings: Use an online mortgage calculator or consult with your lender to estimate your new monthly payment and total savings.Submit the Request: Once you’ve made the lump sum payment, your lender will process the recasting and provide a new payment schedule.Final ThoughtsMortgage recasting can be a powerful tool for homeowners looking to reduce their monthly payments and save on interest without the cost and complexity of refinancing.

One tenant is behind on rent and has still not paid December rent.I’m seeing mixed things online but looks like I have to file something by the 31st?

These include website/investor portal, CRM, in-person meeting space or online (Zoom), online scheduler like calendly.The secret is to create a "system" so you can keep the flow of PMLs coming through your pipeline. 

You can also find reliable, more than worthy, creative, legal and ethical basic as well as advanced real estate courses on line!

I appreciate your comment that the point where I will need to take action and jump in is unique to every investor.