For further context, we are trying to have him be the name on the loan because he would be able to utilize his first time home buyer loan to take advantage of the lowered offered interest rate.

Specifically, I’d love to hear about best practices for managing shared spaces, screening tenants, and setting up house rules.Additionally, I plan to split the utilities among the tenants—any advice on how to handle this efficiently would be greatly appreciated!

Easiest thing to do is to utilize your channel manager to create one (most have this feature) or maybe consider houfy.com or craftedstays.co, they are specific for creating direct websites.

Does this strategy utilizing HELOC really work on saving money and paying off mortgages much quicker?  

Tenant handles all utilities and lawncare.

This location is in a 1mm population metro area, 230 units, and cost is about $1,800,000 all in.Limits of Insurance: Coverage:Liability and Medical Expenses$2,000,000/$4,000,000 Occurrence/Aggregate Comprehensive Business Liability$2,000,000 Any One Person Personal & Advertising Injury$4,000,000 Aggregate Products Completed Operations Aggregate$2,000,000 Any One Fire Fire Damage$25,000 Occurrence Customers' Goods Legal Liability Deductible: $0$25,000 Aggregate Sale and Disposal Liability Deductible: $1,000$10,000 Any One Person Medical Payments $1,000,000 Occurrence Hired Non-Owned$300,000 Each Employee Employee Benefits Liability$25,000/$25,000 Per Claim/Aggregate Employment Practices LiabilityLoc Class Desc Coverage Limit Ded Valuation Type 1 Self-StorageBlanket Building & Business Personal Replacement Cost Property $2,100,000 $25,000Earthquake IncludedSinkhole IncludedWindstorm or Hail Included 5%Business Income Actual Loss Sustained 24 MonthsPollution Clean-Up & Removal $100,000Employee Dishonesty $15,000Money & Securities - Inside $10,000Money & Securities - Outside $5,000Accounts Receivable $25,000Electronic Data $20,000Valuable Papers & Records $25,000Fine Arts $10,000Employee Personal Property $10,000Limited Pollutant Removal $25,000/$100,000Cosmetic Loss Limitation IncludedEquipment Breakdown Protection IncludedPremium, Fees, and Taxes: BOP Premium: $ 7,760.00Optional Terrorism Premium: $ 31.00Total Premium: $ 7,791.00Key notes:a.

While I use it primarily for noise concerns (it alerts me for sustained +80 decibels), it's also handy for cigarette smoke and tracking temperatures (in addition to our Ecobee thermostat)- sensors on all exterior doors and possibly windows (which you might have via smart locks for the doors)- exterior camsA recent guest for reasons only known to them set the thermostat to cool and 60F in the winter (where it's currently a balmy 11F). 

This way you can utilize the leverage if you plan to scale up in the future.

Adding the current mortgage and utilities would be roughly $1,350 resulting in a profit of $650/mo.

Be sure to utilize tools of the trade for the best information.