Did you know you can claim on the server! 

Use a golden shovel to claim your builds, you unlock 100 claim blocks per hour you actively play on the server but it is limited too 10,000 free claim blocks. Grief prevention commands can be found here.

You can buy extra bonus claim blocks which don't add to overall limit you can have. This means you can have over 10,000 claim blocks! Theses last forever onto your account.