Advantages are we don’t have to furnish anything in the house and we collect the same amount of rent each month no matter how many members are in a house.

If your manager is just 'keeping an eye' on things, collecting/reminding on a few rents here and there and some light cleanup while being compensated in free or reduced space rent then classifying them as 1099 subcontractor is great. 

Also, focus on 2 years of job/income stability.Class D Properties:Cashflow vs Appreciation: Typically, all cashflow with little, maybe even negative, relative rent & value appreciationVacancy Est: 20%+ should be used to cover nonpayment, evictions & damages.Tenant Pool: majority will have FICO scores under 560 (almost 30% probability of default), little to no good tradelines, lots of collections & chargeoffs, recent evictions.

.), Peter Thiel (Palantir, Founders Fund; Palantir valuation: $45B), Reid Hoffman (LinkedIn, acquired by Microsoft for $26.2B), Max Levchin (Affirm, valuation: ~$5B), and others like David Sacks (Yammer, acquired by Microsoft for $1.2B) and Steve Chen/Chad Hurley/Jawed Karim (YouTube, acquired by Google for $1.65B), who collectively shaped the tech industry through groundbreaking venturesHigh performers who push one another, often go farther than solo business owners.

Just let the money live in the house and collect rent as the only ROI?

Then they make a **** load of money on them, and still collect on loans  which they never make (plus interest). 

I use this and share with my team (i.e) drone photographers, VAs, reatlors, partners, etc.Zoho Forms, I use this to collect info from leads, buyers, etc.Zoho Desk, this is a ticketing where all inquires go to and since it integrates with Zoho Forms, it creates a ticket within Zoho Desk + New Lead within Zoho.Zoho Cliq, similar to slack, I communicate with my team with this software.

Also, focus on 2 years of job/income stability.Class D Properties:Cashflow vs Appreciation: Typically, all cashflow with little, maybe even negative, relative rent & value appreciationVacancy Est: 20%+ should be used to cover nonpayment, evictions & damages.Tenant Pool: majority will have FICO scores under 560 (almost 30% probability of default), little to no good tradelines, lots of collections & chargeoffs, recent evictions.

In my market—Cincinnati, OH—most property management companies charge around 10% of the collected rent, plus a fee equal to one month's rent for finding and placing a tenant.

Look into Baselane it’s designed specifically for real estate investors, You get automated rent collection, expense tracking, it makes it easier to manage properties, stay organized, and keep up with your finances.