Changing Market Strategy

My Eve Online trading strategy has served me well for over 2 years. When I spend 1-2 hours a day working the markets I make more than 2 billion per day. But I'm getting bored with all the repetition, doing the same things over and over again. Maybe it's time to change my strategy and start using a simpler but more advanced strategy.

Currently my strategy is all about diversification and wide coverage. I buy a lot of different things in a lot of places.

I have 26 traders covering 22 different regions (at least 1 trader in every Empire region except Solitude).  I have around 8000 market orders in total and normally use about 3/4 of them. That's a lot of orders, far more than I can possibly update in a couple hours a day.

Lately I've been thinking maybe I should change things up and start doing things differently. I could cancel hundreds of orders on each character to free up capital and invest more heavily into a smaller list of items. Then boil the list down to 40 or 50 items that are relatively expensive for the volume they move in.

I'm not afraid to say what those items would be either. Sure people might read it and decide to jump into those markets but about all that'll do is drive prices up (or maybe but far less likely drive them down) for a while. I'll make bigger profits until they leave (which usually isn't very long) and then it'll go back to business as usual again.

PLEX
+3, +4 and +5 attribute implants (15 in total)
mindlink implants (4 different ones, armored, skirmish, seige and mining).

That's 20 items already

Throw in a handful of the most popular faction mods and the list is up to 40 easily.

Sisters Core and Expanded Probe Launchers
Around 10 Caldari Navy faction mods.
Around 5 faction mods from each of the other 3 main factions

Already well over 40 and getting close to 50

Maybe throw in a few skill books, like the always popular Mining, Distribution and Security Connections books.

Then if I concentrate mostly on those items I'll be able to significantly increase my investment into each of them and pay closer attention to those markets on more characters in less time than I can now.

In particular it'd let me become a bigger player in the PLEX market (something I've been wanting to do for a while now) and test a few theories. I have been doing that to some extent for several months already but not nearly as much as I'd really like to.

If I can significantly increase my share of the PLEX market it might be possible to make a billion a day or even more just on PLEX sales. Even if it turns out I can't do that much, 10 billion a month should be possible (I'm doing at least 4-5 bil/month on PLEX in a good month now) and 10 bil is enough to cover my basic monthly expenses right there.

As a nice added bonus, I could do that *and free up another 50-100 billion for diversified investments in Genesis to crank up the pressure on the Malma bot. If I send my spare, unused trader there I'd be able to squeeze him on twice as many items too.