@beaker007 has a great tool - https://land.spl-stats.com/player-overview/dashboard - click around in there to find inefficiencies and opportunities.
Keeping the higher number higher here is important, means you're making what you need, to harvest and don't need to buy resources or move them in from other regions.

You really want to focus on one region if you can. Now would be the time to buy/sell and concentrate everything in one place. Makes everything so much easier into the future.