Resell : ★M9 Bayonet | Doppler

The ★M9 Bayonet | Doppler is a popular selling item. OPSkins currently sell the item for $250 USD whilst the steam market varies between $360 to $400 USD.

That is $110 USD profit before steam tax. However, depending on the phase of the ★M9 Bayonet | Doppler it can also adjust the selling price. Better phase ★M9 Bayonet | Doppler can be sold up to $1900 USD on OPSkins. 

If you are lucky on the steam market, you will be able to flip the ★M9 Bayonet | Doppler from steam market to OPSkins.

As you can see some ★M9 Bayonet | Doppler sold at $185 USD whilst the lowest price for selling an M9 Bayonet | Doppler is $250 USD on OPSkins or else yu can resell it back on the steam market to maximize the profit. 

OPSkins : https://opskins.com/?loc=home

Resell : Flip Knife | Doppler

This item is a popular seller. The doppler varies in price in OPSkins and sometimes there are some real good deals that you just can't miss. Here a record of the last 20 Flip Knife | Doppler that was sold. 3/20 of the knives were sold under $100USD. 

Flip Knife | Doppler (Factory New) is worth $170USD. If you were to purchase the Flip Knife | Doppler for $100 USD in OPSkins and resell on the steam market, you would receive $70USD profit before steam taxes.

OPSkins : https://opskins.com/?loc=home