A journey of a thousand miles starts with a single step.
I am sure you are medically fit, but obtain a Class One Medical before your PPL phase. The ATO will be best place to answer your on going questions.
Age can be an issue, as hiring will tend to favour the younger brethren.
Probably more chance of being hired by a turbo prop operator aged 40; that will undoubtedly require a move.
Instructing is another option for late starters.
Look up EASTERN & LOGANAIR for TP operators.
Have a Plan B.