Re-suggesting with additional sales as provided by aaron.

SELLERS

http://www.tf2outpost.com/trade/24989395 - wants 6 buds (second comment)

http://www.tf2outpost.com/trade/23496458 - wants 7 buds when clubbed with black EA + cardigan ~ 6.8 buds.

SALES

1. http://www.tf2outpost.com/trade/24479846

sold for 6 buds

Price: 6 buds

2. http://www.tf2outpost.com/trade/24879273

sold for duck safe n sound (2) + ge napper's (3.75 from mini)

http://backpack.tf/profiles/76561198120347709?time=1422604800 = > http://backpack.tf/profiles/76561198120347709?time=1422777600

Price: (2+ 3.75) *0.9 = 5.75*0.9 = 5.2 buds

mini:

Safe n sound

http://backpack.tf/vote/id/54f5947fb98d8801638b47b2

Napper's

i) http://www.tf2outpost.com/trade/25037780

sold with pe pyromancer's for 13 buds

http://backpack.tf/profiles/76561198017114828?time=1423987200 => http://backpack.tf/profiles/76561198017114828?time=1424073600

outlier

ii)sold with ghosts batters helm for frostbite baker boy

seller before: http://backpack.tf/profiles/76561198120347709?time=1423209600

buyer before: http://backpack.tf/profiles/76561198042040074?time=1423209600

Price: 5.1 - 2 = 3.1

Not taking overpay since it was offered on the baker

iii)sold with ghosts batter for demonflame slug on the same day

buyer bp: http://backpack.tf/profiles/76561198098758703?time=1423209600 => http://backpack.tf/profiles/76561198098758703?time=1423296000

Price: 7 - 2= 5 *0.9 = 4.5

3. http://www.tf2outpost.com/trade/24925791

sold for a scorching batter

http://backpack.tf/profiles/76561198081099485?time=1423209600 => http://backpack.tf/profiles/76561198081099485?time=1423296000

Price: 0.9 *6 = 5.3 buds

mini for batter:

sold for 6 buds

http://backpack.tf/profiles/76561198081099485?time=1423296000 => http://backpack.tf/profiles/76561198081099485?time=1423468800

4. Sold on the same day by the buyer on the prev. trade for 5 buds + gen. robo sandvich

seller after: http://backpack.tf/profiles/76561198069527288?time=1423258508

Price: 6 buds

5. http://www.tf2outpost.com/trade/24765799

sold for PE conjurer's (5.5)

http://backpack.tf/profiles/76561198035174515?time=1421913600 = > http://backpack.tf/profiles/76561198035174515?time=1422000000

Price: 5.5 buds

6. http://www.tf2outpost.com/trade/24560983

Sold for beams conjurer's + str. festive sticky launcher

Price: (6.6+1)*0.9 = 6.8 buds

Additional proof as provided by aaron

1. http://www.tf2outpost.com/trade/24558580 Sold for Aces High Brotherhood of Arm(5.55 buds * 0.9 = ~5 buds) + Smoking Dark Falkirk Helm(1.9 buds outdated)

2. http://www.tf2outpost.com/trade/24772364 Sold for Strange Professional Killstreak Australium Scattergun(~4 buds) + Circling TF Logo Ye Olde Baker Boy(2.1 buds outdated) + ~4.2 keys in sweets

Let me know if there are any mistakes and i will correct them either in the main post or in the comments.

Thanks, and have a good one.