Backpack.tf is a good source. They have price suggestions that are typically based on actual sales/trades. However, keep in mind these are just suggestions and at times can be outdated. Some items with special characteristics (e.g. rare, clean, duped, spelled) may at times be much more or less. Depending on the item, you might also want to compare how much the sales orders are at relative to the buy orders. When the buy orders are a close match to the sell orders it typically means it's a highly desirable item (e.g. australium weapons).
Pretty much everyone in the TF2 trading community relies on backpack.tf for price suggestions. These prices are usually very trustworthy and reliable for most items. But this is MOST items. Not all. Check how much people are selling it for especially in more expensive stranges (like strange huntsmans). Unusual prices are also very commonly outdated so they're more of a vague estimate (use how long ago it was dated and how much ppl are selling/buying it for, for a reference). There are plenty of youtube videos explaining this better than I ever could so go check some of those out, the virtualeconomist has some really helpful videos in terms of unusual trading/pricing. Also, please note that bp.tf does not account for killstreaks when applied to skins, and some other things. Always make sure to see what other people are selling/buying for. If you can't find the price of an item on bp.tf and if other people aren't selling the item, you can use similar listings to determine a price. For example, if I wanted to sell a factory new balloonicorn rifle but bp.tf didn't have a price reference, I could see how much a minimal wear balloonicorn rifle was selling for and sell my factory new rifle for a couple keys up or something. The same can be done with unusuals as a lot of unusual effects are similar and can be used as decently reliable price guidlines. If you still aren't sure of prices use tf2outpost or bazaar.tf and see what ppl are selling items for as a guideline. Hope this helped
then ur pretty much fucked in terms of pricing. i guess you could use stntrading but if you think bp.tf is disorganized then stn is much worse. I personally think that bp.tf is fine and pretty easy to use but it took me some getting used to in terms of navigation and whatnot. have some patience and it'll be easier.
Yo Kenny everyone is right about backpack.tf. Idk how you use it or what your doing but when someone’s buying something from me I go into my backpack with this link ——-> https://backpack.tf/profiles/76561198146243363. It brings me to my bp and tells me a good price for everything. I just scroll down till I find whatever the hell im looking for and tell them. It’s pretty easy so whatever your trying to do is obviously wrong because you think bp.tf is un-organized. I’m not trying to be a dick but that’s just how it is.