so i invested 20btc + on 10k... than swap to teeth only got 2600... and now that 2600 teeth worth 0.5 btc... wtf is going on?
You only have yourself to blame as it seems you are too attached to your coins. You have to assess these things all the time and get out when it is high and get back in when it is low. Very few coins can be kept all the time for long term and never get in and out. There are those but very few.
There were two correct strategies for 10k/Teeth. You could have sold your 10k stake regularly in the beginning and then when the price was low raked up some stash before the swop. Then swop it for Teeth and immediately sold all of the Teeth while it was going from 600k to 100k and then buy back at 30-40k. An alternative strategy was to keep all your 10k but sell Teeth immediately after the swop between 600k-100k and then buy back now.
Both strategies would put you at 10-20x your original investment, however there was not enough Teeth demand for strategy B and definitely not enough to offline 2600 Teeth. Strategy A worked the best with small tx throughout the process. Your next mistake was putting 20 BTC into a single altcoin. There is never enough volume to play with 20BTC in legitimate trading, meaning excluding pump group action. You cannot manoeuvre with that amount and cannot safely get out if needed. You must put in 1-2 BTC as there is normally enough volume to safely exit at short notice if need be. Rather take the rest of your 20BTC and put it in different coins to spread your risk.
Teeth is probably at its low point now and is starting to look more of a longer term coin. Remember that the altcoin market likes action and as everyone knows Spots, he puts an effervescent tablet in the glass from time to time to spice things up. Dev action/non-action is one of the most important things driving coin price. Teeth will probably not go lower than 10k sats unless people that talk like you start panic selling. In my previous assessment I put Teeth at 50-70k with an additional up to 30k allocated as goodwill to Spots. It traded in that range for some time. In the absence of factors like high POS, swops and other attributes that causes high volatility its new range for the time being is 10k-40k, until Spots puts the next tablet in the glass.
Spots has proved to be a solid, no-nonsense dev looking after his coins and their holders and is a very important factor for the future of a coin. The future of his 4 coins are therefore more optimistic over the longer term compared to others that are around and there seems to be regular R&D going on by Spots & Co. An important factor to keep in mind is the ability that Spots has developed to be able to manoeuvre the direction and attributes of a chain with little effort and impact to the integrity of the chain, which might look insignificant now but is an important requirement to apply monetary policy in a digital world. For the rest, it is up to the individual holders to spot opportunities along the way. Remember that dev action creates volume, volume creates volatility, volatility creates opportunity and opportunity creates profit. Apart from this you have to apply common sense, do not give in to greed and do not do anything before assessing the risk.
One last point - there comes a time where it does not matter if you hold 100k or 1.5m of a coin as it makes no difference. If you understand this then you have come a long way.