Getting Even solution
by Kegler

Fourteen answers drop the letters IOU, because, as explained at 28 Across, they're ALL PAID UP NOW.

Getting Even solution grid

Across
2MI(D)ST
6SP(UR{I)OU}Se
11FACE + T{I + tO + U}S (IT rev)
12E + OCEN + E (ONCE anag)
13O + RCA
15MAID ("MADE" hom)
16AN + D
17REeD
18IMP + {I(yOU)}S
19EGRE[S/t]S
20COwerED
23OSSET (hidden)
26AEON (rev hidden)
28ALL PAID UP NOW
29BA(I)T
31ESSEN (hidden)
33FU(R{IO + U})Ss
35AMBIT{IOU}S (I AIM BUT SO anag)
39SNIT (TINS rev)
41COD (2 defs)
43OAR ("OR" hom)
44ALTO (A LOT anag)
45REND (NERD anag)
46VI + CAR{IbOU}S
47BUR + S + T,S
48T + HOSE
49SPEC{IOU}S (COP SUE IS anag)
Down
1A + F + ORE
2MA(RIG) + OLD
3DEANE (NEED A anag)
4STUD{IOU}S (SUITS DUO anag)
5TSAR (hidden)
6SEREN(AD)E
7PO(OlD)LE
8REAM (2 defs)
9SNIP + E (PINS rev)
10TED{IOU}S (I OUSTED anag)
14CAR{(I)OU}Se
20CO + P{IOU}S
21DEWY ("DO WE" hom)
22W(A)IFe
24SPAS (SAPS rev)
25TITMOUSE (TO SUIT ME anag)
27CON + TENT + {I(OU)}S
30IN + CUR + {I + O + U}S
32E + IRE
34UN(L)IT
36MO + PUP
37BA(R)RE
38SUDSY (rev hidden)
39SAVE (VASE anag)
40pITCH
42DUB + {I(OU)}'S