As a beginner, it is best to avoid making a pawn shop, flea market, or yard sale purchase unless you are shopping with somebody who has experience in purchasing a guitar. Having never purchased a guitar, you may not know what to look for in terms of damage or guitar quality. With that being said, a local music retail shop is your best bet. You may also shop online with a reputable company, although be sure to review the business’ return policy.
3/4 Size Acoustic: I also have a 3/4 Scale Guitar in my apartment because they are awesome to sit beside your couch and just pick up easily and jam with. I bought the guitar a few months ago, and when I was playing it a concerned shopper came up to me and reminded me “that’s for kids you know.” I laughed. Fair enough, but I think little guitars are cool to have around the house, so if you do too (or if you have really small hands) perhaps this could be the guitar for you.
Learn how to transition to different chords. One way to become proficient quickly is to learn how to transition between the various chords quickly. These transition periods are often the hardest for beginners to play when they are starting off. The more you practice between switching to different chords, however, the better you'll get at doing it in songs. Practice switching between open chords like G, A, E, and C. 
In order to play your favorite song, you’ll need to learn guitar chords. Use the images and instructions below to learn how to play each chord. The ChordBuddy device can be used for assistance in knowing where to place your fingers In the images the circles represent where you will be placing your fingers (I=index, M=middle finger, R=ring finger, P=pinky). The X’s represent strings that you will not be strumming while the O represents strings that will be played without any frets.
Minutes 30-60. Practice making the basic 5 shapes. This is probably the hardest part. You gotta put your head down for 30 minutes and remember the chords that are demonstrated below. Once you start getting these shapes down, adding to your portfolio will be easy. You can even experiment with adding and removing fingers– you’ll find a lot of cool sounds here and you’ll continue to discover these for years to come.