exia
You've got a couple of plans there, they seem realistic (Plan A more than Plan B - but you've worked that out). You also sound like you're prepared to make sacrifices, moving back in with mum and dad etc. I'm sure you'll get there. As for mathematics and science skills, if you can add, subtract, multiply and divide you'll be up to the mathematics. The science skills aren't that taxing - don't be put off by the subject title, and you might just find you're more in the mood for learning when you get around to it. Everyone's different and every teacher is different. It might just have been whoever taught you at school/college wasn't right for you or you weren't ready to absorb the information.