The Battle Factory is a Very Challenging Place to be on the Battle Frontier. Here are some fax. that can make it easier to be at.
1. If you go in with 1 or 2 good stated Pokemon in the front of your Party, there will give you great stated pokemon that you would like to own.
2. Look at the stats when you go in, not just the attacks or Pokemon. Look at the Best Stated Pokemon and base you decisons Upon those.
3. DUGTRIO. Dugtrio is the only Pokemon where about 99% Percent of the time, it will have an HP under 200. Every other Pokemon (Except Dusclops on ocassions) will have an HP over 200. Look at the Defense of Dugtrio if you are desiding to rent it. And, if the Defense is not at a base of at least 315, Don't rent it. That means you are wasting a Pokemon because Dugtrio will likely be knocked out in the first 2 turns.
4. When Battling Noland, I sudgest that you look at the Best attacks of all of your Pokemon, and the best stats. That is your star Pokemon you are going to use through the Battle. I didn't do that today while Battling Noland, And I Lost.
I hope this helps your challenges at the Battle Factory!