As a DVC member, you can buy the annual DVC Golf card for $50 plus tax. You then pay a discounted price per round for you and up to three guests playing with you. The discounted price for the four 18-hole courses at WDW is currently
January 21 April 25
Before 10:00 a.m. tee times $109.00
After 10:00 a.m. $89.00
April 26 October 3
Before 10:00 a.m. $59.00
After 10:00 a.m. $39.00
October 4 January 20
Before 10:00 a.m. $79.00
After 10:00 a.m. $59.00
You can call for a time 14 days in advance for that Jan-April period, 90 days in advance for rest of year (usually if you call 14 days in advance you can get what you want or something very close to it). You don't need the DVC annual golf card to make the reservation, you just buy it when you show up at any of the pro shops for your first tee time. You can make reservations on line in the Disney World site's golf section or call 407-WDW-GOLF.
How much of a discount those numbers above actually represent varies according to time of year and course chosen. For example, during that prime Jan to April time, which has the highest discounted price, the actual discount is also high because the regular price for the courses varies between $140 and $165. During that late April to early Oct period, with the lowest discounted price, the actual discount may not be that much because, for example, the after ten regular price during the summer is often no more than $45 to $60. During Oct to Jan the actual dollar discount is somewhere in between those other two seasons. The price gets you cart for the round and free tees you can pick up at the starter. Costing extra are range balls, rental clubs, or rental shoes.
You can also play the 9-hole executive course (walking only, pull-carts available), Oak Trail, usually for $20 (regular price is often close to $40).
Whether you should actually buy the discount card depends on the math. If you are only going to golf once a year, you may not want to buy it because you need to make up that $50 you pay for the card before having an effective discount and if the total discount you get for that one round is less than $50 (combined all players included in round), you would actually end up paying more for that single round than if you did not buy the card. Usually, you at least break even if you do two rounds or have two players in one round but not always (playing after 10 in the summer may require three rounds or three in one round before you start getting an effective discount).
There are four 18-hole golf courses. Osprey Ridge and Palm are the hardest, Lake Buena Vista the easiest and Magnolia in between. None is overly hard or easy, although any player that does not usually shoot in the mid-80s or lower should expect to see some or more of his balls unkindly consumed by the water or woods during any round so bring plenty of balls. Osprey is by far the best course there, with the most memorable holes, but all are good to play.
A beginning player should really be playing the executive 9-hole course, Oak Trail, not the main 18-hole courses, except that it can be possible to play one of those without being hooked up with others, and without many on the course, in early afternoon during hotter times. If you try for any time in the morning as a two, it is highly likely they will hook you up with two others automatically. If the pre-teen plays OK (does not have to be great), then 18 hole courses are OK even in the morning.
I don't think anyone caught your side note!!! 
