An excessive number of loans are past due . The loan is secured by a single-family residence. A 50-unit complex was for sale. The apartment complex has 50 units . Words containing prefixes generally do not require hyphens.
Compound verbs are usually solid or hyphenated.
If you do not find a compound verb in a dictionary, hyphenate the components. Compound nouns may be separate, solid or hyphenated. If you do not find a compound noun in a dictionary, write the components as separate words. There are numerous exceptions and options to basic capitalization rules. The most important rule is to be consistent throughout a Report of Examination.