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Applying a GRM derived from single-family rentals to a small apartment building is:

Correct Answer

A) Inappropriate, since expense structures differ by type

Why this is correct: A Gross Rent Multiplier (GRM) implicitly reflects the operating expense structure, management intensity, and tenant turnover typical of the property type from which it is derived. Single-family rentals and apartment buildings differ significantly in these aspects, making a GRM from one inappropriate for the other. Why the other choices are wrong: It is not standard practice; expense differences matter. Similar unit counts do not make it acceptable because expense structures differ. Scarcity of apartment sales does not require using an inappropriate GRM; alternative valuation methods should be used. Exam tip: GRMs are property-type specific; don't transfer them between different residential income property types.

Answer Options
A
Inappropriate, since expense structures differ by type
B
Standard practice for all residential income property
C
Acceptable when the unit counts are similar
D
Required when apartment sales are scarce

Why This Is the Correct Answer

Why this is correct: A Gross Rent Multiplier (GRM) implicitly reflects the operating expense structure, management intensity, and tenant turnover typical of the property type from which it is derived. Single-family rentals and apartment buildings differ significantly in these aspects, making a GRM from one inappropriate for the other. Why the other choices are wrong: It is not standard practice; expense differences matter. Similar unit counts do not make it acceptable because expense structures differ. Scarcity of apartment sales does not require using an inappropriate GRM; alternative valuation methods should be used. Exam tip: GRMs are property-type specific; don't transfer them between different residential income property types.

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