My godsons are now in the game. I sent them an email covering some of the tricks of the game. With your permission I will copy the main information here;
"First, remember Elite Dangerous is just a game. A big one, with lots of options and ways to play, but still a game. I have been playing it for nearly a year, and only scratched the surface. There are lots of things I have not done, so if I don't explain it (or answer questions on it) please understand.
When I help people out in the game, I am often asked what is the best ship in the game. Well, there are currently 23, with more to come. The best ship in the game is the one that suits YOUR style of play the most. I now have 6 ships; an Anaconda (mainly for trading), an Asp (for exploring), a Cobra III (just got her), 2 Sidewinders, and an Eagle. They all are good at what they do.
I know I covered it already, but fuel scooping is important if you are flying long range journeys (especially if you go exploring). There are 18 or so star types, but only 7 can be safely scooped. The mnemonic "KGB FOAM" covers the 7 (the next bit assumes you are at a safe star). As the view from cockpits is normally better at the top than the bottom, I align my ship so that the star is 'above' me. Aim outside the edge of the star, and gently accelerate. After a few moments a ring will appear around the star. This is the 'impact' ring, and flying inside it will crash you out of Super Cruise, taking damage. Aim to fly the same distance from the OUSIDE of the ring as the star is from the INSIDE. After a few moments the fuel scoop will start. Once it has completed, pull away from the star, and when you hear "Fuel Scoop Disengaged" it is safe to jump to the next star.
Always watch your REBUY cost when you are making any changes to your ship. This is the insurance excess, and in your case, is 5% of the value of your ship (so if you have a ship worth 100Kcr you only pay 5Kcr). If ever your balance is below the REBUY, and you're get killed, you will end up back in a Sidewinder with 1,000cr! A good suggestion on the ED Forum is to make sure you have at least 4 times the REBUY cost in your balance, which should be enough for 2 deaths and 2 loads of cargo. Just to give you an idea as to how big the REBUY can get (and how much it can save you) the REBUY on my Anaconda is 20.5Mcr, but she is worth 540Mcr!
The trade route I have shown you both is a good one, and can average 1Kcr profit per tonne each way (so 4Kcr profit each trip). If you decide to look for a different route, you can get third party software off the Web to help. I prefer to head off to a new area, park up the Anaconda for a while, get a Sidewinder and then fly around a few systems (with stations the Anaconda can land at), looking at the various prices in the Commodities Market. If I then find I have a viable route I will work it, otherwise I will sell the Sidewinder, get back into the Anaconda, and head off to another area and try again.
Speaking of buying/selling ships, make sure that, before you do buy a ship, you have twice the price of that ship in your balance. That way you can buy it, start fitting it out, buy some cargo, and have enough left to cover the REBUY. Before selling a ship take it back to stock. You will ALWAYS take a 10% hit on the value of the ship. For example, suppose you bought a ship for 1,000,000cr, and then spent 1,000,000cr upgrading it. If you were to now sell it you will only get 1,800,000cr back (taking a 200,000cr hit). If, however, you were to take her back to stock, you will get back 1,000,000cr for the upgrades. Then, when you sell the ship, you will only lose 100,000cr.
There are various ways of making credits in the game. One simple way is to do delivery runs (normally shown in the Bulletin Board with a cargo barrel and one arrow), as the client will provide the cargo and all you have to do is to get it to the destination in time (so you just pay for the fuel). If you can, take a note of the various companies asking you to work for them, and stick with one or two of them (I only work for one company per star system), as this will boost your reputation with them, and they will then (when they trust you) offer you bigger and better missions.
If you decide to go exploring (don't until you have at least 10Mcr in your balance), your ship will need 3 items of equipment over the normal stuff. The first is a fuel scoop (once you leave human space you cannot buy fuel), a Discovery Scanner, and (to make more money) a Detailed Surface Scanner. There are 3 different Discovery Scanners; the Basic DS (which you get as standard in a ship) only has a range of 500LS (Light Seconds), so if you were to trigger it on Earth it could detect the Sun, but Jupiter is too far away; the Intermediate DS, with a range of 1,000LS (so twice as far as the BDS), and the Advanced DS, which has infinite range (it will detect every Astronomical Object in a system). However, the first time they are triggered all they will do is to detect how many objects are in range, and where they are. You then need to target each object, and head off towards them so that the DS can take a closer look (the range the scanner will kick in depends on what the object is). This is where the Detailed Surface Scanner comes into play; it is, in effect, a pair of binoculars for the Discovery Scanner, and can double the value of a scan. However, to earn the credits you will need to go back to a station, select Universal Cartographers, and sell the data (they won't accept any scans from systems within 20LY (Light Years) of their system, as they already have it). If you were the first person to scan a system and sell the data, for the life of the game your name will be associated with that system , so any other person scanning that system would see "Discovered by XXX". A properly fitted exploring ship will cost over 5Mcr, to buy and fit out (my Asp Explorer is way more expensive!).
When you decide to give combat a go, head off to a Nav Beacon (most systems have them at the Primary Star). If it shows as Compromised Nav Beacon stay away from it; it is a trap with lots of heavy duty ships willing to attack you (I don't go there!). Once at a Nav Beacon, you will see a few ships turn up. Target each one in turn, and let your sensors take a good look at them (takes a few seconds). If it shows as WANTED it is a fair target (although you need to decide whether you could win in a fight with it; probably not yet in your Sidewinders). If it shows as CLEAN leave it alone. If you get attacked you MUST target your attacker and then WAIT until your sensors have scanned it. If you fire before the scan is completed YOU will get a WANTED tag, and the Authority vessels will attack YOU!
It is always worth doing the training missions to practise your skills, some of the missions are harder than the others. Don't worry, you will manage to do them after a while."