WPMU Dev is a good resource. They provide a nice bundled solution for WP users for $588 per year.

But there’s a cheaper way to get the solutions offered by WPMU.

Here’s the Top 16 WordPress Plugins you need to replace WPMU Dev:

1 Snapshot
BackupBuddy – backups, migrations, staging/dev environments = $300 for unltd sites for life ($225 w/ coupon)
BackWPup – Free
     WP Staging – free
2 Hustle
Bloom – more customizable, comes with Elegant Themes membership for $80/yr
3 SmartCrawl
Yoast – free, industry standard
4 Defender
Wordfence – free, 22 million users, open-source
5 Hummingbird
WP Fastest Cache
WP Super Cache
6 Smush Pro
ShortPixel – free (100 images/month), $5/mo for 5000 images/mo
PicMonkey – free editor (resize large images usually cuts them by more than 50%)
7 CoursePress
WP CourseWare – $100 (2 sites), $125 (10 sites), $175 (25 sites)
8 Membership 2 AND Affiliates
MemberPress – $199/yr for unltd sites ($99 for 1 site)
9 MarketPress
WooCommerce – free, super supported, tons of tutorials and people using it
10 Events
Included with BuddyPress
Businesses: The Events Calendar – Free / $150 for 1 site / $300 for 10 sites
Modern Events Calendar – $29 from CodeCanyon
11 Appointments
Bookly – $59 from CodeCanyon
Booked – $49 from CodeCanyon
12 Jobs and Experts
WP Job Manager – Free
BuddyPress Job Manager – $50 for 1, $100 for developer
     – front end jobs, social profiles submit for jobs, etc
13 Google Analytics
GA by MonsterInsights
14 Support
Awesome Support – Free ticketing plugin
Drift – Free for up to 1000 active visitors.
Better service with real time chat enabled. Best for teams.
15 Social
Monarch – with Elegant Themes
16 Users and Messaging
BuddyPress – free
UserPro – $29, works with BP
Other Plugins to Install
 
CleanTalk
WP-SpamShield
WP-Optimize
In summary,
For about $250, you can have everything you need from plugins not built by WPMU Dev.
Save $300. Spend it on a new phone and headphones.
WPMU Dev is a nice one stop shop for a developer getting started, but there are better solutions if you weave them together properly