Wizards should be your first upgrade. For 5 days time you get a 25% increase in dps on the already housing space efficient unit. I got my wizards and rushed to my golems asap right after I hit th9.
Until my hogs got maxed out I used a lot of gowi. 3 golems have too much hp for early th8 defense levels to deal with. As many others have stated th8 players often work on AD at first to deal with dragons.
You have to bring plenty of wall breakers and you need to keep the wizards spread out to avoid big bombs taking them out. As long as the golems are spread wide and you guide them in with breakers you should reliably 3 star early life th8s.
Clan castles are almost always packing a dragon these days and wizards are the best at knocking them out of the sky quick so that's all the more reason to prioritize them.
That will be a much faster route than waiting for lvl 4 hogs, though hogs are definitely the all star th8 unit.



