You might have additional items depending on your market.1. 

This halts production for anyone that is that far along - you can't just pick up trusses at your local hardware store - they are engineered for the job via the plans. 

This is a national item.

Again, the BiggerPockets store has some books on this topic, or you can learn about it by watching podcasts, reading blogs, and interacting on the forum.

@Marc ShinLike @Andrew Steffens said, for big items, go with quality.

Lastly, I make sure that we are double checking and doing proper due diligence - I walk the property and do an in-depth investor walkthrough for them, we do a home inspection, we have a licensed GC to walk and write up an itemized bid, etc.And to answer the last part of your question, one of the hottest markets is Columbus Ohio!

Amazon never sold all those items at first.

Hi everyone, I just came across this thread, and wanted to address a few items.

The list goes on.For mission-critical items, you want quality, not cheap.

Provide community items (Toilet paper and condiments).