Forgot to mention in the fine print of their disclaimers that you sign it will usually say if a discrepancy exists then the total damages will be the return of the inspection fee.

.- If you're buying as an investment it's going to be more like 25%.Some lenders are tightening their lending criteria right now so you may find some discrepancies between pre/post covid down payments.Good luck on the duplex!

One of the reasons for the cost discrepancy is that the owner/investor for that project also has their contractors license and has no need to hire a builder to pull permits and manage the project.

The property is purchased at so low a price to real value, and the discrepancy between actual value and purchase price is so transparent, that money investors are willing to put up 100% of the required funds for a minority ownership stakeWhile all the above scenarios do occur, they constitute a very low percentage of real estate transactions.

Sometime agents do not update their MLS and cause a discrepancy as well.

I'm just curious to know, with so much of the construction phase being performed off-site for prefabs as opposed to stick-built properties, why there remains to be such a large discrepancy in new construction cost among locations? 

You would then share a copy of the estoppels with the Vendor and work through any discrepancies between the estoppels and the information supplied by the Vendor.You would go through a similar exercise with any service/supply contracts for the property (i.e. snow removal, janitorial services, HVAC, leased laundry units, etc.). 

I want the largest discrepancy b/w purchase price and ARV without buying strictly from the shoddier parts of town

But on looking closely I’ve found a lot of discrepancies in the prices - I’m assuming that depends on the location of the property. 

The renovation costs are according to the seller so that may be where the discrepancy is.