The Fleet Carriers won't be around until the December update - which I think is why mining has suddenly become more lucrative (by far and away an easier way to make money than any of the 'exploits' you may have used in the past) because the FCs are rumoured to cost billions of credits just for the vanilla version without any of the support ships needed for specific activities or modules.
I bought and equipped a mining Anaconda and made 80% of the purchase price on its maiden voyage. Since then I've added over 8 billion credits. It would have been more but I've been running around like a blue arsed fly the last couple of weeks doing CZ missions for my faction.
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You'll need this essential tool to find the best mining sites near you: Miner's Tool
Don't bother with Void Opals, they're not as lucrative as people make out. Stick to either double Painite hotspots ot triple Low Temp Diamond hotspots. Ignore the glowing asteroids and target everything with prospector limpets and you'll be laughing.
not bother with the pulse wave thing at all? Just spray the prospectors around like confetti??