Not really. Considering that you have to play for about 12 months with only a gog, a magog, an archimage and an orc, I had to diversify at maximum their individual customization, from improving stats to immunities and abilities. The prices start low, but more you pick, more is expensive. So when Ronon (archimage) for example got his first +1 attack, the price was 5000 gold. Now he is at 70 attack (more than a supreme archangel) and it is costly. All creatures on map have dynamic boosts with time and the team has to follow, otherwise they die

Income from trade routes is growing each week by %50. If the planet is attacked by wraiths (random) the income is cut.