WHY? Oh I will tell you why.
What do I do?
But I can do those things!
$$$
It's complicated
No money no problem
However...
However...
However...
Lets talk hardware
Office Computers
Networking - 1 The basics
Networking - 2 Wifi
Networking - 3 Switches
Networking - 4 Firewalls and Routers
Servers
Software to get things done
Open source and free software
Non-profit Software options