Where am I going wrong?
Doesn't matter what cut I use the steak turns out chewy, brown on outside but very underdone/raw in middle.
I use an iron griddle pan, oil the steak rather than pan and cook for specified amount of time according to preference. Leave to rest.
Look of disappointment on people's faces, not to mention the waste of money 
Have lost count of the amount of
methods I've googled and youTubed,
It all turns out the same.
Where am I going wrong? Is there some secret method I need to bribe out of someone?! Am so jealous of those cooks who can just throw steak in a pan and serve up a delicious meal in minutes (pathetic face emoticon!)