And of course, in older homes, if you're sanding, etc. be mindful that old paint often contains lead. 

If a fire starts in a new home, that tight window seal, foam insulation, Tyvek wrap...etc will allow a fire to be self contained causing no escape route for smoke and other ignition byproducts from it.

The parcel contains one detached SFH and 5 units for cashflow.

Irrational explanations should be met with contained laughter and an eviction notice.  

An attorney can provide safeguards that are not contained in boilerplate forms, special provisions that will assist you in your growth, allowances for future partners and employees.

For example: any deed containing the names of the grantor and grantee, a description of the property sufficient to identify it with reasonable certainty, and the interest or estate intended to be granted, is sufficient, if executed, acknowledged, and, where required, recorded.

The ground level retail space will be marketed for rent.Public records indicated the building was only 2,500 SF but contained two permitted additions that were never calculated into the public records square footage.

Dryer vents do not contain water,  You dont vent into a plumbing drain. 

If they are self contained units, then the other units should be fine.

Every bedroom occupied by 1 person must contain atleast 70 sq. ft. (6.5 sq. m.) of floor area.