Oh that was fun, wasnt it? Found this guide for newcomers to TDU http://guides.gamepressure.com/testdriveunlimited/ This one could be important too; http://www.wolf.lightning-bolt.net/ (under community they have a toolkit which could be handy and some tutorials/wiki)
Online meeting tip: Test drive unlimited servers are very temperamental, so this process of teleporting to your new friend can sometimes be a painful experience and may take a few attempts, some key factors that will help this process is, the player you are trying to lock to should remain still and on the road (not off road) and only one person , should be entering the map to make the jump. if the player you are attempting to jump to displays a N/A next to his name in the information panel to the right. this means you cant connect to him as he might be in a solo event or house, etc.
Is the Millionaires Challenge (200km around the whole island lol) doable in my Lambo Murcielago? You get a reward of $1,000,000 doing it under one hour. Tempted to give it a try but i would be wasting my time if it aint doable in this car. Done some research on the web and all try it in an Enzo it seems. Don't have money for an Enzo
Did it with Enzo with option 3 tuning and did it with 8 mins left thats with all the Police chases and fines i got.
It's doable in every A class car or bike. Even untuned! I did that a few times before, mainly with the Murcielago or the Zonda.
By far the easiest race in the game imo. Had a 2-3mile lead after first checkpoint and by the finish i won with 10 mile lead.