There are studies done reporting the majority of guests would prefer to book with a management company knowing they will receive a professional service.For those who are interested in profitability and returns, not just a hobbie or supplemental rents,I think the misconception is hiring a property manager will result in less money because of the percentage charged. 

Tract books were supplemented with additional records on little blue cards known as micro fiche sorted by time and name. 

We BRRRR 8-10 per year and the flips supplement the money left in the BRRRRs. 

Housing Discriminationhttps://ipropertymanagement.com/laws/landlord-tenant-rights"Also, many states (and even some cities) supplement these federal regulations with their own set of protected classes.

I've done this.I had ~$50k in savings but supplemented it with a $130k HELOC. 

Basically I have a supplemental permit that says SB9 2-unit development, the old house is unit 1 and the ADU is now unit 2.

I know that @J Scott wrote a pretty good book on the process though, (just finished it this weekend), and I would recommend starting with that.If you purchase the book(s) from BiggerPockets (as opposed to Amazon), they come with a bunch of digital files to supplement the material. 

I would need to probably include farm profits in my calculations because the hope would be to eventually farm full time, but also supplement current income till I can move to farming full time. 

But more properties will be needed than buying in cash.Appreciation/equity paydown: Cash flow from rents will be supplemented by property value gains and tenants paying down your mortgage.As a rough estimate, assuming you can buy properties for $150k that rent for $1,500/month with 50% expense ratios, each property may cash flow around $750/month or $9k/year.

I work in Construction Project Management and have found that way more people than I think have found an avenue into RE that has been supplemental income and even a hobby for them depending upon which route they took.