Tywele, on 08 November 2012 - 03:49 PM, said:
- How much start capital do I need?
- I can't imagine to make that much money with flipping only. How do I trade without flipping?
- Is it smart to trade with every kind of item, or should I specialize on one type of items?
- How much time do you invest in playing the TP and what is your reward/profit?
1.) As much as possible. More money means more options.
2.) A few ways: predict price rises and invest before others. Mystic forge/craft stuff can be profitable at times but it usually gets shut down pretty quick. Market manipulation type stuff.
3.) Largely depends on how much time you want to spend. Try to diversify as much as possible, but make sure it fits with how long you want to spend posting buys/sells/etc. eg I only trade for ~15mins while queuing for/in WvW since I actually enjoy the game for now

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Tywele, on 08 November 2012 - 06:08 PM, said:
- When is the best time to trade? Morning or Evening? Early, mid or late week/weekend?
- How can I predict if the price of an item will go up again if it was low?
- Should I always buy if the graph of an item at gw2spidy.com is heavily falling. Can I expect that it will rise soon?
1.) Depends largely on what you're trading. As you trade more of ___ item/market you'll usually spot trends and what times items typically increase & decrease in price, so you can profit off of them if you choose to. You can also use gw2spidy & guildwarstrade to make the trend spotting easier.
2.) Very situational depending on the item. If you want some general rules of thumb though: Things that reach their minimum price on the trading post generally won't stay that way for long (through ANet intervention or otherwise). Try to keep relatively up to date on what ANet say before updates, always plenty of tips. Make sure you know where your item(s) are coming from. e.g. Know what materials are used to craft it, or where it drops (e.g. did ANet just buff/nerf drop rates?). No one can be correct all the time, so expect to lose money or miss opportunities sometimes.
Some other stuff:
-Make sure what you're investing in offers good value & potential profit per storage slot and time you'll have to hold it for.
-Try to keep a price in mind at which the investment is worthwhile and sell once it hits that price. Usually that is something like 4-5x the buy price on cheaper items for me. Obviously, if it reaches that price and you expect it to carry on going up then hold for longer, that just something you'll have to use your own judgement on. (Same thing if the price starts tanking).
3.) Mostly explained above. In short: sometimes yes, other times no.
Edited by JONO51, 08 November 2012 - 07:43 PM.