diff --git a/design-patterns.md b/design-patterns.md
deleted file mode 100644
index 5284331..0000000
--- a/design-patterns.md
+++ /dev/null
@@ -1,15 +0,0 @@
----
-tags:
-  - software
----
-# Design Patterns
-
-[Design Pattern](https://en.wikipedia.org/wiki/Software_design_pattern)
-
-[_Design Patterns_](https://en.wikipedia.org/wiki/Design_Patterns)
-
-## Patterns
-
-### Builder
-
-A builder class is one whose job is to construct another.
\ No newline at end of file
diff --git a/units.md b/units.md
index 30307c0..d063fa6 100644
--- a/units.md
+++ b/units.md
@@ -32,8 +32,8 @@ tags:
 ### Residential
 
 > [!info] Also Known As
-> * Condos
-> * Apartments
+> * Condos - resident-owned
+> * Apartments - resident-rented
 
 ## Sequence
 
@@ -77,6 +77,10 @@ tags:
 
 `COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`GENERAL  ASSEMBLIES - METAL STUD`/`UNIT MISC ITEMS - MC - ADJUST ACCORDINGLY`
 
+#### Islands
+
+`COMMON ASSEMBLIES`/`UNITS - MC CABLE ASSEMBLIES`/`1x 15A 125V TR DUP DECORA (METAL STUD) - 20' 3/4" PVC, ENT, 3#12 THHN`
+
 ### 2. Takeoff
 
 > [!tip] Preparing for Unit Takeoff
@@ -87,10 +91,14 @@ tags:
 1. Kitchen and Bath
 2. General assemblies
 3. Low Voltage
-4. Lighting Control
-5. Lighting Fixtures
+4. Lighting Fixtures
+5. Lighting Control
 
-Copy paste original takeoff and adjust to changes
+> [!tip]
+> It may be more efficient and neat to not copy switches,
+> instead keeping the switch assembly list open
+> and creating them new for each unit,
+> since the types required can vary greatly between units.
 
 ### 3. Extension (Review and Checking)