what specific items are you most interested in

If you need help, hire someone for a specific item.

The builder will have specific items only that they are looking at covered in the one year.

I have to do a review of the plans after I get them, I just don't want to spend $3,000 only to get a sub-par plan that I have to do a large amount of modifications to (other than site specific items), in order for it to actually be something that can be built.

You can get a pretty good idea of pricing for specific items.

We looked in a couple of their stores to see if any specific items were on sale and found a 7ml vinyl plank style we like at just $1.49 per sqft.

As someone starting out, the reason I would avoid using the BRRRR calculator is because it may allow you to not remember specific items.  

read BP threads on specific items - bathroom or roof.  

He doesn't write a report for me, but will write a letter noting specific items if I request one.  

Others what workmanlike quality, and more specific items for specific reasons--marketability--lower cost of operations, etc..).Again I don't know where you can learn this.A Bathroom remodel gone sideways: https://www.biggerpockets.com/forums/899/topics/1065787-disaster-management-seeking-advice-ella-mai-of-ella-homesGood Luck!