Depending on local regulations, you can mix up STR/MTR/LTR. 2) Get systems in place in those exact cities; 2 PMs preferably via NARPM, 2 high quality inspectors, and rotating book of handyman, 1 lawyer, and a credit union contact for leverage along with investor friendly nationwide lenders.

House HackAttend as many REI meetups as you can to grow your network of investors for referrals, help through challenges you may incur but don't have experience with, and learn from proven guest speakersNetworking app like blinq to compile all of your contacts for REI in one area with phone and emailbegin conversations with local credit unions exploring what type of loan products they offer

Have about 50k I would invest (access to more), with excellent credit and good income too, from my full time job.

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

They wanted $1.2M to payoff  maturing HML on a $2.5M property. their credit was 580 and we told them we would not give you a loan but we would buy the property from you for $1.2M, provide you with a 12 month lease with an option to buy. in 12 months you either buy it or its ours. 

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

When you go to a Bank or Credit Union, they can only offer you what products that bank or credit union offer.

I would look at it in terms of whether you can afford a worst case scenario where you're covering the deductible and have a credit line or cash to front the re-build cost and getting reimbursed from insurance afterwards.

I have also have saved almost $50K so far to take a start in this game and also my personal credit score is above 750.I'd like someone to guide me purchasing my first property and want to kickstart with a small property first.

If you are running a LLC for your rentals is essential that you keep all business  funds in a separate account I like Credit  unions the best .