If we 1031 Exchange and end up staying in the home a paying off the mortgage are the deferred taxes due the day you pay off the property or is there a window of time in which they will be have to paid?

You're better off spending your money on an umbrella insurance policy and spending lots of time learning about your rights and liabilities as a landlord. 

.- The unattached garage (built into same hill) has drain run off that goes underneath the driveway and into the road.

Ask for that off the purchase price or however you see fit, or kill the contract.

You would be better off using that money toward acquiring another property.  

Ive got the 2020 documents off robinhood.

For example:General-Filters (furnace, air conditioning, oven exhaust, refrigerator, and water)-Stove burner when the “eye” needs simple replacement-Batteries and remotes that service the premises-Fan and light pull strings-Smoke and carbon alarms testing and batteries-Ensuring appliances are properly plugged in, hooked up, and used-Removing dirt, debris, and lint in and from connection pipes (e.g. clothes dryer)-Tighten loose screws on all home functions (e.g. doors, hinges, handles, socket -Balancing off-balance appliances-Cable, internet, and phone jacks-Fire extinguishers-Systems operation (e.g. security, irrigation, HVAC)HVAC-Monthly A/C filter and drain line maintenance Electrical-Reset “tripped” GFI breakers-Light bulbs (throughout and at the end of the tenancy)-Blown fuses-Reset breakers in the outside and inside breaker boxes-Socket and plug outlet coversPlumbing-Unclog drains or toilets-Caulking around tubs and showers as needed-Gas pilot lighting-Leaky faucets and shower heads-Toilet flappers, handles, seats and seat lids, tank lid, and flush kit-Sink and tub stoppers-If septic tank present, use RID-X as directed on consumer box-Proper cleaning of garbage disposal-Loose faucets and sprayer heads and hoses-Faucet filters (i.e. aerator)-Open exterior plumbing clean out when necessary (e.g. sewage backup)Exterior-Routine lawn (and pool) maintenance-Adjusting sprinkler heads as necessary-On the last month of tenancy, tenant must perform required lawn maintenance no sooner than 2 days prior to vacate dateThere’s a lot to consider as a landlord.

Remember, they can always refer themselves😊Now, make it a goal to call at least 5-10 of these people EVERY day and ask a MAX OF THREE off the list below of who they know that:Just inherited a homeHad a loved one pass awayIs behind on their mortgage or tax paymentsHas a relative that can’t take care of their house anymoreHas a house they’re having trouble sellingIs facing bankruptcyKnows a probate attorneyKnows a bankruptcy attorneyetcWhy only three off the list per contact?

My current project is one that I inherited but will definitely pay off in the long run.One of my biggest questions I hope to get answered is how private lending works and if it is worth it. 

Either adding square footage to an existing functionally obsolete 2/1 or 3/1 or splitting off a double lot.