Another pro tip- right click on the photo in Chrome and do a reverse image search to see where the item comes from, it is usually way cheaper, and that's probably who Wayfair drop ships it from anyway. 

Since I'm relatively versed in general real estate investing knowledge, I'm aware of all of the line items to account for when analyzing a property.

The seller generally has costs to fix items and spruce up the property.

Not sure about the other items he's charging you for.  

As I'm sure you know, especially when you're getting started out, having the right team members in place will help to round out any knowledge/experience items that you may need support on.

Part of that increase may also be other items in that payment going up as well such as insurance. 2.

I would be happy to visit with you more and help you narrow down some of these items.  

What are my capex items  - appliances, HW heater, fixture replacement.

If your financial analysis doesn't accurately capture them all, you are headed for DISASTER!

Are items like this significant issues that will limit your potential?