Trusted computing vendor MacSales.com
B&H DAILY DEAL B&H Deals by brand/category/discount
Wish lists: Sony | NIKON | ZEISS | Canon | Pentax K | Fujifilm | Leica M | Leica SL | Macs
Buy anything at Amazon.com
Set up a Normal User Account (and use it)
For everyday use, login as a Standard user, NOT an administrative user. Logging in as a standard user restricts the things that can be done without the administrator password (such as installing software).