How was your day today? - DotA 2 Edition

Really need to practice pulling and zoning people out. Had a 2 vs 1 lane with my venom and a gyro against a tiny that went really badly. We killed him early when he overextended while I was pulling, but then I kept messing up my timing and let the lane push out. After that, he just started killing me at full hp..

It seems like a skill you have to learn with experience, but any additional tips are appreciated!