Usually not a source of revenue, but the billing comes to the landlord who passes it to the tenants on a pro-rata basis. 

As for calculations, any bill backs are typically done on a pro rata basis of tenant GLA divided by total building GLA.  

Triple Net leases allow the Landlord to pass Operating Expenses (primarily comprised of Property Taxes, Insurance, Common Area Maintenance, Snow Removal and Property Management) directly through to the Tenants of the property on a pro-rata basis. 

This gets a little wonky, but the IRS is going to look at that future sale and allocate the built up capital gain pro rata  between the amount of time it was a primary residence vs the amount of time it was a rental. 

The profits and expenses can flow "pro rata" if you set this up properly  

Same thing, different participants.Fractionalized loans enable many individuals or lenders to be listed on one loan as the beneficiaries, thus sharing the same debt position and with pro-rata ownership.

Each tenant is responsible for their pro rata share of the property’s total CAM charges, which is typically equal to the tenant’s rented square footage of the total, rentable square footage of the property.

We have come close to filing eviction many times.We do have a clause in our rental agreement that helps protect us from short timers, if it is legal in your state:After additional deductions for cleaning and repairs necessary to restore the premises to its original condition (less allowance for reasonable wear and tear), along with deductions for any rent due (including rent loss during periods of restoration), late fee, caused inspection/eviction, utility, notice, legal and any breach of contract costs, the balance of the security fee shall be refunded pro rata as follows: 10% of the remaining balance for up to one month of occupancy; 20% for two months, 30% for 3 months, 40% for 4 months, 50% for 5 months, …and so forth until 100% for 10 months or more of occupancy; 

You assume your pro rata share of that debt. 

Unless you specifically took out a mortgage that is only applicable to the primary residence portion of the home, then the mortgage will be split pro rata between the two halves (so $150K each, in this case). 2.