When you have to keep a list of your motors and rockets on your phone just incase the local hobby shop might have something you do not already have... and you have only known about model rocketry 3-4mo
When you have more types of primer, filler, and color spray cans and could make a graffiti artist jealous.
Rockets : Launches
Apogee Components
Zephyr 4”
Aerotech
Mustang
Strong Arm
Estes
220 Swift
Alpha
Baby Bertha : 1
Black Brant III
Bull Pup 12D v1 : 1
Bull Pup 12D v2
Cadet : 1
Cherokee-Ex (Light Blue) v1 : 1
Cherokee-Ex (Dark Blue) v2
Citation Patriot
Crossfire ISX
Der Red Max
Dragonite
ESAM-58 (Red) v1
ESAM-58 (Black) v2
Epic II (Blue/Grey) v1
Epic II (Black/Red) v2
Epic II (Black/Yellow) v3
Expedition : 1
Generic E2X
Goblin (Yellow/Black)
Goblin v2
Goblin v3
Hi-Flier
Hi-Flier XL (Green) v1 : 1
Hi-Flier XL (Red) v2
Honest John Mini
Humdinger : 1
Long Ranger
Low Boom SST
Majestic : 1
Mean Machine : 1
Mongoose
Nike-X
SA-2061 Sasha
Saturn 1B
Savage
Starship Octavious
Taser
Tigres
Vapor
Xtreme
Yankee
LOC Precision
Goblin 4”
Nike Zues
Phoenix 2.6”
Madcow Rocketry
Phoenix 4”
North Coast Rocketry
Hobgoblin 2.6”
Public Missiles Ltm
AMRAAM 2”
AMRAAM 3”
Rocketerium
AMRAAM 1.64”