for grinding problems: don't upgrade your first dog, you need all the gems for gold. don't line up three gems at a time, arrange them first make sure there are at least 5 gems per "combo" to gain better gold. example: line them like this, XX(0)XX put another X in 0 for more gold!
make variations for the repetitive words like
strong -> brave courageous
armored -> bulky shielded
or anything so that there's also variation in that area