Find a place you think will be good to build your base so you can protect your precious loot/items to expand your side.
The first week where the grace period running, you have the timeframe to plant yourself some crops and sell them to the /shop. This is the easiest way to make some basic money.
Some special tools that the server contains allow you to sell and crop your farm (Harvest Hoe, Sellwands). By voting and opening some crates you have the opportunity to gain them.
After a lot of farming, its time to improve your base build.
There is an easy way to build up your base walls very convenient and fast. We got a feature called Gen Buckets, that allows you to generate walls with specified blocks only by using a bucket.
These generators will create cobblestone, obsidian and sand as well. You can find them to /gen or /shop.
Once you are happy with your base build/size it's time to make some money.