Neither do Airbnb and VRBO.It's overkill. 

Reach out if you have any more specific questions!  

However, if you do want something more robust the most flexible option I've used is "Hemlane" you can check em out online, they are a paid service though, but as I said it is a more robust option than a zillow manager or something similar.

Also, read The Millionaire Real Estate Investor by Keller and Papasan and The ABCs of Real Estate Investing by McElroy.

and risk being that much more leveraged?

I live and invest in Chicago and it's a phenomenal market with a lot of diversity!

Over the past couple of years, rental application fraud has exploded — fake IDs, forged pay stubs, and “shared” identities are way more common now.

Once you’ve done that, scaling into bigger deals gets a lot easier because you’ll have a track record, and lenders/investors will take you more seriously.So I’d focus on saving, learning, and executing your first small deal.

Also, how do prospective tenants input their information for the verification?

So when you are qualifying for future mortgages, lenders will find you less desirable because you're increasingly getting more leveraged and your debt to income ratio is increasingly getting worse.