When World of Warcraft launched in 2004, all of the lore, background, and places that was laid out in the earlier Warcraft games were brought to wow classic gold life within Blizzard's vast MMO.
If you've only got a couple of hours a week to dedicate to a MMO, Classic may not be the game for you and you may be better off looking at modern Warcraft to fulfill that Azeroth-shaped hole. Having said that, if you are not especially worried about endgame content like raiding or max-level dungeons and only wish to explore Azeroth because it was in 2006 then by all means, carry on. But if you want to enjoy everything that Classic has to offer, then you need to be ready to spend a great deal of time not just levelling your character however finishing various Attunement quests and grinding reputation to get some of those late-game cases.
World of Warcraft Classic does not have those quality-of-life improvements that you may be used to in modern Warcraft - or indeed many other current MMOs. For starters, the climbing of enemies is a lot less forgiving and you could end up getting quickly overwhelmed it you take on more than two enemies at once without preparation. Travelling from 1 spot to another in Classic Azeroth can be far more time consuming - flight points aren't as abundant as they are nowadays and with in-game gold not as readily come by, you can end up unable to save up to even buy your initial Riding Skill and mount.
But it isn't all doom and gloom. The higher mill of cheap wow gold classic pays off with a feeling of authentic progression as you see your character grow more powerful as you gain levels, gear, and general experience. You may be thinking about if it's worth starting your journey through old Azeroth today, almost one year after launching. The answer is a most definite'yes'.