I am waiting to have my PM and Agent do a walk through (he does pretty thorough videos for me as I am an out of state investor).

Like everyone said.Grab up @Avery Carl's first book - https://store.biggerpockets.com/products/short-term-rental-l...Then grab her next book which is available for pre-order - https://store.biggerpockets.com/products/smarter-short-term-...Seeing as you are new the STR business, these are great books to grab up and read.

Watch a few youtube videos on increasing your credit score quickly.

Buying distressed & fixing yourself gives you the full intel on the quality of your product, buying 2 rather than 4 you can pay for better locations, then having reserves gives you a healthy peace of mind.

You need 500k and networks set up in 5 - 8 diff markets that work like an assembly line of options to be analyzed.If you get into 30 year products from jump street your 50 will be gone in one deal. 

The questions you ask will be easily explained in the BP podcasts and YT videos.

The ones that are important are the ones about the product.

Brokers send that in and then are put through a series of videos showing how to package the loans and load them into the companies system.Broker does that loads them into the system and now you have individual borrowers with all their personal info being transmitted to the fake wholesaler lender.. 

There is a lot of valuable information to be found through the forums, webinars, podcast, and YouTube videos.

If you find a lender/mortgage broker that communicates very well and in a very time efficient manner start there to see if they have a product that works.Most of the lenders we have worked with in the past we have done multiple loans with.