Drill a suitable hole for the screws you are going to use, thread them in then remove, drip thin CA into the hole until the MDF will not take anymore then screw fix the hinge's been doing it this way for years, works well.
If he has the conviction of his own words, he has not resigned from UK Workshop's, he had some very strange views on many things, I don't think he will be missed.
Not delusional the price of RCBO's has dropped dramatically over the last couple of years to the point it is not worth considering MCB's even as replacements for existing faulty MCB's.
If changing the CU go for a full RCBO one, that's a combined Residue Current breaker and Overload in one device it will protect all your circuits individually and not trip out the whole house for a fault if only one RCD on the board.
I like the idea of a HUD stops you staring at the speedo when driving through a restricted zone and no other cars around to check your speed against, unless they are speeding as well, Ho Hum.
Just completed seven weeks @ five days/week of Radio Therapy on my throat and don't have to shave one half of my face anymore, 50% saving, I don't recommend that though. 🤔
Concrete fence posts laid on the ground, one or two on top of each other or concrete gravel boards, joist hangers off them, build them up as high as you need.
My BMW has a limit button on the steering wheel, once the desired speed is obtained push the button and it then needs a concerted push on the accelerator to exceed the selected speed, the pedal feels dead at that speed, useful in France with its multitude of cameras and sneaky 50kph limits...