Add into the equation the cost of materials and it makes sense that builders are finding ways to cut overall build costs and one of those ways is to buy land cheaper. 

Reminds me of a saying my friend always says when a deal fall through, "It's just a house, they build em everyday."

I would focus on consistent, steady income and building an amazing credit history.

It’s a 3000 sf 5 bed 3.5 bath new build (2022) with really nice finishes. 

Check those two lists against all of the lists and articles you have been reading to see where the closest crossover is.That is how you find a competitive advantage.If you build an out-of-state funnel with everyone you just met, you will not have a competitive advantage.Number 1 above gives you a personal, geographic advantage.

Build prices today depend on who your builder is and where your building is including real estate prices etc.

If there are a lot of S8 buildings in an area, it'll never be nice. 

I have two units in two different buildings.

Sure, some wealth is created by saving taxes... but building wealth is priority #1.

I would also recommend building relationships with investors and RE Agents.