The purchase price creates the spread and as an experienced rehab buyer, I know that by creating the necessary spread, all could go wrong and I could walk away clean if need be.As to the balance, lets continue this conversation/debate under the following peramiters so we can compare apples to apples.Lets say that the investor with the $500k is experienced in both buy/hold and flips.

@Paul BirkettDon't compare apples to oranges.

As an iPhone user whose fingers are largely incompatible with the iPhone, I wondered about how BP's voyage into mobile would go...

For your estimate of value, by capitalization of the NOI, to be relevant, it's essential that you follow the same.Apples to apples, and all that.

I have the bigger pockets forum app for my iPhone and it works on here as well so thanks.

Guess a lot of that would depend on the areas you're working in.The new smart locks coming out are pretty cool, you can send a code to their iPhone that'll let them in for an hour or so. 

Learn to estimate rehab values, without this you will have a hard time with wholesale deals.I find that realquest iphone app give much better comps if you don't have access to mls.

I try not to let a bad apple ruin it but this group Is definitely testing my patience.

I am currently using an app on my iPhone called Landlord Studio.

Before you challenge the appraisal, do your own research with a local Realtor or look up Solds on Zillow (be really specific to neighborhood, and keep comps apples to apples).