I am by no means an expert. But I want to share something I learned that has helped me make a good amount of credits.
There is a widely known sector where you can mine Nividium. And does it respawn still? I have no clue. None of my Nividium has respawned as of 14 days in game.
The following ships I recommend for this operation. This is a let it go and check back operation.
Sector Location:
Getsu Fune : Go north then west. Check your distance settings loading your game. There should be a distant cluster of asteroids. This initial trip should be made in a fast m4/m5 ship. Recommend at least 500 m/s speed. There are 3 asteroids available; 1, 5 and 7 in there values.
Pre-scan the whole system with a mineral scanner.
Recommended ships.
Ozias Goner TL
Consus - Roid Buster; Must have mining command software, Mobile Drilling System, Special Command Software
5 Any Type TS with Ore Collector, Special Command Software
Mercury and Demeters can equip the mobile drill. But you will have to repair them after a while. The Consus should be fine with it's 200MJ shields.
I'd recommend the following as well.
Ozias must have a Jump Drive and Transporter Device. Stay OOS doing this. I'd recommend using a TS as a fuel-energy cell hauler. Ideally you'd want a jump drive on all TS involved as well.
Jump the Ozias in. Move To the Nearest Roid containing the Nividium. Then launch the Roid Buster to mine for Nividium, launch the other 5 TS and have them collect rocks. They should collect the Nividium with the Roid Buster. Check back every so often and use the Transporter to pull the Nividium into the Ozias Cargo Hold. I actually use 2 of these TL's, using the second as a ferry to transport the mined to me HQ.
Nividium will sell regular from your HQ. You may have to drop the price a 100 credits every so often to encourage the traders to come, and occasionally it may take a while. 3000 Nividium is a hefty chunk of change when it sells.
15,974 x 3000 = 47,922,000 credits.
The value of those 3 asteroids is a lot more than a jump beacon. I've purchased so far - Boron EQ Dock, Boron Trading Station, Argon Cerberus, 2nd Ozias, Finished my 1st TOA for a HSAP. And currently sitting on 92 million personal account. So far only Strong Arms hate me, but the Paranid love me. Thinking of buying a Deimos to compliment the Cerberus.
Ozias base cost is 15,125,000 (Roguey's site) - I think in game its more like 19\20 million
Consus base cost is 6,332,000 (Roguey's site) - I think in game its more like 10\11 million
Roguey's prices feel low compared to in-game. HQ cost?
Jump Drives are 360k a piece.
Startup cost is about 33 million all together. (factoring in Mobile Drill and Transporter)
I wonder if I can convince the Boron to invade Rhonkar's Trial. That way I can visit the Beta site again. You can buy Cargo Life Support also in Great Trench from the Boron Research Station. As well as Pirate Stations provided you have the reputation.
To get a Mobile Drill you may have to encourage one of the Paranid factories with the resources to make one.