i would love to help although the only communication i have access to is typing ingame.I also may not alway's be able to be on though because of school.I hope this is ok,(also cant host a server D:).
Not 100% sure this will work but if you take lots of gravel and put it in a dropper above you,hook it up to a 3 second timer and have The gravel drop onto you,Then place it,break it and have the floor hoppers that all wire back to the dropper and keep it going until all u have is flint :3.