i suppose i don't see why not. haven't done that myself though. the pain from just 2mg probably won't be too bad.
I wouldn't be so sure. I accidentally put around 0.5-1mg on my tongue for a few seconds and I was left with a numb/burnt patch on my tongue for several days. It really stung too, and I imagine up the nose it'd be even worse.
We can't give you a picture of 5mg because if I made 5 piles of 5mg, I could make them all easily look like rather different amounts. It's simply impossible for the human eye to differentiate such amounts.
I understand if you're underage and don't have a job then buying scales seems to take on a lesser priority due to you spending every little you can get on other things.. but if you're going to maintain this attitude, the 2C-X series, ESPECIALLY 2C-P are not the drugs for you. The human eye can easily mistake 10mg for 20mg and vice versa, and with 2C-P even a 1-3mg error makes a huge difference in the strength of your trip. Some people have found as little as 2mg can double the intensity.
Do you know the amount you were sold to begin with? If so you can use
Liquid Measurement to avoid having to buy a scale. However, say you paid for 100mg, many vendors like to throw in extra to make you come back to them in future, so just to be on the same side, assume it's double the amount you've been told it is when using liquid measurement for the first time. Then start with the lowest possible amount.
Say you've paid for 100mg, and you place the amount into 100ml of liquid for a 1mg/ml solution, assume it's 200mg, so 2mg/ml, and dose the lowest amount that you could possible get effects from, see how strong it affects you, then work your way up by a little each time you trip.
In this case I'd start with 1-2ml orally, which would provide some stimulant effects and maybe light visuals if you're particularly sensitive or there's even more than 200mg. Next time you can try 3-4ml, then 5ml, then 6ml.. and so on until you reach the desired level.
Yes those first 2-3 doses will probably be lost while you're trying to find the right dose, but those 2-3 doses probably cost less than even the cheapest $15 scales by a lot, and you avoid the serious consequences of taking way too much that can and do happen very often with eyeballing.