Is my thinking correct that homes in highly appreciated areas won't benefit as much from Cost Seg. 

There are also additional costs of operating and maintaining an LLC, like separate bank accounts, annual report filings, tax filings, etc.2.

And cost is not coming down.

Choosing a solution like that means missing out on significant opportunities to free up your time for what you do best while also foregoing the expertise of a tax professional who could provide substantial benefits—potentially saving you thousands of dollars.

Don't know how much renovations will really cost, again, either PM or GC conversations.  

And I can contribute as litte as 5K rather than the 10's of thousands I used to to purchase one property.

Is it true that marketing and advertising to find motivated sellers could be thousands of dollars a month?

You can create a formula for splitting that cost among the tenants.

We scan and analyze thousands of properties a day for investors. 

Some of those facebook groups have thousands of members.