Hi Dionysis,
I haven't done the course, but just some word of advice, if you would like to tackle such a project, I'd get at a builder to bring the project up to "lock up" stage & then you can pretty much do the rest... By doing the internals yourself (plaster, fixtures, plumbing, tiling, painting, etc.) you may save some money, but having dealt with trades people, you will need to have time & patience & in most cases the project will go over your originally allocated time (as long as you are prepared for this & your budget can allow for this)...
You may ask why not fully own-build? well, firstly by having the registered builder get to this stage, at least you know who to point the finger to if you get structural damage down the track (I'd assume it would be easier with the insurance as well)...
A little while ago I did post 2 storeys that happened to friends doing full-owner builder projects. The first friend did one with no hastles, so took on a second one & now with the second project they have all sorts of problems, cracking, etc... been to court & lost the case & will need to demolish most of the structure & start again (going on for 2 yrs now)...
The second built their place & all was well till they noticed all their exterior brickwork was cracking, due to the bricklayer not leaving expansion joints (gaps) at the allocated spaces (ie. 6 meters I think)... they have been trying to get him to re-do the job, but blames it on the slab guy, the slab guy blames it on the frame guy, and so on & so on... so you guessed it, they are living with it now & are considering rendering the place soon as years have gone by with no resolution...
Cheers,
MannyB.