lyrics - if included - are for orientation only and may not be correct; check the main site for accurate lyrics

live version; studio version seems to be only slightly different

chords used:
    Em F#m  Bm    C  G
e|--7---9---7-----0--3-------------|
B|--8--10---7-----1-(3-or-0)-------|
G|--9--11---7-----0--0-------------|
D|--9--11---9-----2--0-------------|
A|--7---9---9-----3--2-------------|
E|----------7--------3-------------|
he plays C/G in their open form and Em/F#m/Bm in the 7th/9th position

intro:
Em Bm [fill] C G
Em F#m Bm C G

the fill:
e|--------------
B|--------------
G|--------------
D|------0-------
A|--0h2---------
E|--------------

rest of the song:
Em Bm C G

and thats it... so actually, it is easy.

here are the chords w/ corresponding lyrics which may be even easier for beginners, 
as added and edited by jerux555:

[Intro]
Em   Bm7   C   G  
Em   Bm7   C   G  
Em   F#m7   Bm7   C   G
Em   Bm7  C   G  

[Verse 1]
Em Bm7
   I got a heart with a zipper and
C  G
   I got a scar from the stitches and
Em Bm7                             C G
   I got nothin' on my hands but time
Em Bm7
   I'm tryna get an upper hand
C  G
   Find a woman that'll understand
Em Bm7                      C  G
   Waiting on some kind of sign

[Chorus]
G               Em Bm7
I know it ain't easy
          C                  G
Sometimes waiting is the hardest part
      Em Bm7
Ain't easy
                C               G
When your whole world keep falling apart
      Em Bm7
Ain't easy
          C                 G
Tryna get right from the very start
      Em Bm7
Ain't easy
          C                  G
Sometimes waiting is the hardest part

[Verse 2]
Em Bm7
   And now world is a picture frame
C  G
   And I can almost hear a name
Em Bm7                            C     G
   I need a woman that'll made me kinder
Em Bm7
   I got a wish in a photograph
C  G
   Of a woman that'll made me laugh
Em Bm7                             C      G
   Don't worry that I'm never gon' find her

[Pre Chorus]
               Em Bm7 C G
Just take your time
                 Em Bm7 C G
Don't waste your time

[Chorus]
      Em  Bm7
Ain't easy
          C                  G
Sometimes waiting is the hardest part
      Em  Bm7
Ain't easy
                C               G
When your whole world keep falling apart
      Em  Bm7
Ain't easy
          C                G
Tryna get right from the very start
      Em  Bm7
Ain't easy
          C                  G
Sometimes waiting is the hardest part
      Em  Bm7
Ain't easy
          C                  G
Sometimes waiting is the hardest part
      Em  Bm7
Ain't easy
                C               G
When your whole world keep falling apart
      Em  Bm7
Ain't easy
          C                G
Tryna get right from the very start
      Em  Bm7
Ain't easy
          C                   G
Sometimes waiting is the hardest part

[Outro]
Em   F#m7   Bm7   C   G
Em   Bm7  C   G