I believe you have received good advice on several methods to produce your model.
Another very important consideration is the scale and size of model that you have space to build and can transport.
So you really need to ensure your model fits these boundaries.
Initially I suspect you will not be attempting an exact true scale as this is more suitable for the more experienced so a stand off scale allows a bit more flexibility in adapting to size.
Once you know the max size you need to invest in a good solid flat building board. You then mark a solid line down the centre along the longest length. This will provide you with a fixed datum line from which you can check all measurements. I mark the prow and stern positions to ensure I keep to my max size after allowing for any plank / skin covering thickness.
I usually build my hulls upside down but you can build from keel up. Mark the individual former distances on the board and use a set square to extend a line at each point to the board edges. I add small blocks of wood either side of each former along the outside edges to keep all square.
Prepare cardboard masters from your plan and check them for accuracy on the centre line and to the edge. This will also indicate any misplacement of the keel / stringers which you can correct.
If all is correct you can cut formers from wood (or chosen material) and should have a good starting point to start constructing your hull.
There are many build blogs on this site that have detailed the process, but I attach a couple of pics of my RMS Olympic and Bill Lucy's RMS Titanic under construction using this method.
Happy building and please ask if you need any clarification.