What you are doing is both a waste of time and potential.
How to increase your ore/hr and actually have fun playing the game at the same time:
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You steal from other miners’ jetcans.
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You have a friend who loots a full miner after you ganked him.
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You keep bumping an active miner out of range of the roids and demand his ore as ransom, otherwise you won’t let him go. This is perfectly acceptable by the GMs as long as you demand a ransom and honour it. The requirement, as stated by the GMs, is that you have to give the miner a way of getting out of this situation.
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You make several Alpha chars, skill them for the ore-hauler (Miasmos? I forgot.) and join different mining corporations. You offer to be hauling the ore to the station for other miners during a mining session, then at the end of the session contract it all over to your main and never log that char back in.
PS: Aiming for being capable of buying PLEX for ISK so you can sub is an even bigger waste of time, pursued by many who subsequentially burn out trying to make money so they can play the game which requires them to make even more money to play the game, while never actually getting to play the game. You have been warned!