Buying used downriggers and used outrigging gear can save you huge money compared to buying new downriggers and outrigging gear.  Various items like used rod holders and other downrigger trolling gear can be found in abundance at online auction. 
7 Okuma Reels, 2 Penn Reels, 2 Shakespeare Reels Used

7 Okuma Reels, 2 Penn Reels, 2 Shakespeare Reels Used

Price: $85.50 (16 Bids)
Sale Over In: 3h 14m
USED DAIWA ACCUDEPTH 47LC

USED DAIWA ACCUDEPTH 47LC

Price: $16.03 (6 Bids)
Sale Over In: 1d 23h 44m
NEW NEVER USED OKUMA CL 300L GREAT LAKES TROLLING REEL

NEW NEVER USED OKUMA CL 300L GREAT LAKES TROLLING REEL

Buy It Now: $37.95
Sale Over In: 2d 3h 30m
"OFFSHORE" Downrigger Releases - 36 USED

"OFFSHORE" Downrigger Releases - 36 USED

Price: $9.99 (1 Bids)
Sale Over In: 3d 1h 49m
used WILLE DOWNRIGGER 0-120

used WILLE DOWNRIGGER 0-120

Price: $25.00 (0 Bids)
Sale Over In: 3d 1h 59m
17 Used DW Dreamweaver Spin Doctors

17 Used DW Dreamweaver Spin Doctors

Price: $31.05 (8 Bids)
Sale Over In: 3d 21h 6m
NEW NEVER USED SHAKESPEARE GREAT LAKES TROLLING REEL

NEW NEVER USED SHAKESPEARE GREAT LAKES TROLLING REEL

Buy It Now: $42.95
Sale Over In: 4d 1h 21m
pair of slide divers never used

pair of slide divers never used

Price: $1.75 (2 Bids)
Sale Over In: 4d 4h 37m
4 gently used salmon trolling flashers

4 gently used salmon trolling flashers

Price: $12.63 (6 Bids)
Sale Over In: 4d 4h 52m
CANNON SPORT-TROLL MANUAL DOWNRIGGERS-NICE USED SET!

CANNON SPORT-TROLL MANUAL DOWNRIGGERS-NICE USED SET!

Price: $149.99
Buy It Now: $164.99
Sale Over In: 4d 15h 15m
4 downrigger releases good used

4 downrigger releases good used

Price: $0.99 (1 Bids)
Sale Over In: 5d 5h 54m
BIG JON Big Water Downrigger used one time!!!!!!!!!!!!!

BIG JON Big Water Downrigger used one time!!!!!!!!!!!!!

Price: $0.99 (1 Bids)
Sale Over In: 6d 2h 35m
 Many name brand items like used cannon downriggers, used Scotty downriggers, used Penn downriggers are some of the few types of quality items you will find.  Dont hesitate buying these quality used downriggers as many have any wear or tear on them at all.