There's no real shortcut - getting really good at understanding how to value a property is one of the keys to successful wholesaling.

There're actually a ton of other key words, but these will get you started in the right direction.Here's also some reading material to educate you a bit more on the topic:https://www.biggerpockets.com/blogs/10850/77215-th...https://www.biggerpockets.com/blogs/10850/74883-wh...If you have any other questions feel free to PM me.Best!

Professionalism is key - don't make it personal, but also don't let THEM make it personal.  

The key is to get a house with a walk out basement you can turn into a rental unit.

@Andrew Caldieraro before you can value a property, you need to determine your goals and key metrics you're seeking. 

The key is to #1 not be afraid to make an offer that you think make sense even if it's way lower than the list price (as owners often have unrealistic expectations and even list knowing they're high just to try their hand) and #2 look off market as that's where the best deals are.

Be patient and buy when the market cools down or if/when a correction happens.4.

You have to be patient and continue to look at the market daily. if something does come up be prepared to strike very quickly.

I also recommend "What Every Real Estate Investor Needs to Know About Cash Flow... and 36 Other Key Financial Measures" for numbers related terms.Good Luck.

I am not a fan of turn key, but I am sure there are wonderful providers out there.