I have heard you have to own land with all permits and engineering completed before closing on the construction loan exclusively in California. 

I have recently started writing down addresses of run down or abandoned properties that I would like to purchase, but I only have the owner's name.

Buying a new primary residence has nothing to do with the capital gains exclusion.It is when you go to sell the new house down the line you'll run into a problem.

To get it to run, I need to replace that first text with my API Key?

Social engineering is everywhere, and some people are really good at making you believe what they want you to believe.

Get a good structural engineer and work with the county with permitting.

@Ken Almira don't buy a Florida condo w/o checking that they've passed their engineering inspection and their reserves meet the new requirements.

I found it to be a great vehicle while I was working a W2 job as an engineer.  

Can easily get fee worksheets and run credit/DU 3.

After 20+ years in real estate partnerships, here's what actually puts you on the IRS radar (and what doesn't):REAL Red Flags That Matter:The Partner Complaint TriggerDisgruntled partner files Form 8082K-1 disputesPartnership disputes leading to tax filingsReal Impact: Instant IRS attentionSuspicious Loss ClaimsLosses exceeding investmentArtificial basis inflationSudden large losses without economic realityExample: $100K investment claiming $500K lossesRelated Party GamesCircular property flipsBelow-market transfersFamily partnership schemes without substanceWatch Out: IRC §267 and §707(b) violationsDebt Engineering Red FlagsBasis inflation schemesArtificial guarantee arrangementsPartner debt shifts near year-endCritical: IRC §752 compliance matters!