I didn’t pick up AOE till AOE2. Can anyone point me to a good guide or video that can help me learn AOE strategies?

Age of Empires fast bronze (think of it like fast castle in aoe2)

Age of Empires general strategy

These are intended for the 1997 version so your experience may vary in DE beta.

Those are some good reads, but rather outdated. Some general principles still hold. Anyway, depending on your skill level in AoE, many aspects are the same. You should avoid having an idle town center early on and should minimize idle time for villagers etc. Here some good guides: