PvT - a meching player

Scouting
If no expansion
If no idea about gass 
If scouting a factory
Be aware of them upgrades

Try to figure out how many factories has
Amount of factories can also be deduced by the amount of factory units

Attacking
Attack only with maxed?

Reacting
Expand very very early? Right after seeing gass. Because they will have very few units..
build robo asap in the early game
if many just build immortals and go air

Loss 1 
Loss 2 
Victory 1