Been told its graceful to build your own porch is it and if so how???? ...

Moth Invasion?
Answers:    Depends what you are going to build it from - timber construction - easy.

Brick - not so undemanding.

Footings in first - horizontal and up to Damp Proof Course - then build upwards -

I did mine but used a bricky to do the bricklaying - the rest be starightforward but to long to explain on here
Flying Ant Problem?
who told u that? is it ever gonna be easy to build your own sports car? and if you dont know how then your gonna be contained by trouble!