There are variations in design, features, upgrades and so on. 

There are huge variations in property values and rent-ability throughout the UP.

The key, I think, is to actually stay away from the "classic" REI keyword portfolio and look for cheaper ways to get in front of the same audience.Typically, we'll do this by prioritizing the most profitable keywords in phrase match variations, avoiding exact match altogether (broad is still too broad in most markets, though it's probably worth a test in a market like yours).Another key is going to be finding the place at which you can affordably compete - NOT going after the top positions because that's what everyone else is doing.We find that the top spots in MANY markets are actually not worth the increase in cost - and that you can actually do more deals by targeting position 2, 3, etc.

This is called a "waterfall" and it rewards the person doing the work if they do a great job and produce a great return.Extra credit (postgraduate class):  There are variations on how pref is treated.

We can speculate all day long, but the reality is the lenders will have many different variations of each type of loan that may make them fit your exact needs.

Year-over-year, rents are down 1% as of March 2024. 4The data shows significant variation in rent growth across different Denver neighborhoods in recent years.

There are variations but most all involve reducing the debt to extra cash flow.John Corey

When you walk down the soda aisle of your local grocery chain, you think there's a zillion choices, bunch of companies all making cola and variations there of, but no, it is an illusion. 

Your description reads like you are creating a dozen variations of you.

For this reason, variations among the different courses are based on techniques and problem solving strategies that come from each experts experience.