PLEASE HELP ME IN MONSTER LEGENDS - Frustration and New Monsters

Im a little frustrated because I want to enjoy this game, but everything is so focused on gems and leveling up towers. Its annoying to no end. \r
Dragon City is bearable and fair but in Monster Legends I feel like its overkill, thus deterring me from playing the game.\r
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Im your puppet viewers. Tell me what my next move should be towards getting space and finally freeing up my hatchery\r
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