Is this a knit project?
I am not sure what you mean by this, I started out wanting to knit a baby blanket pattern, just making it bigger, but I soon realized that I would have to make squares and sew them together. I start out with 3 st, knit 2, yo, knit to end of the row, and repeat until I have 100 st. Then I knit 2 st decrease 1 and knit to the end of the row continuing until I have only 3 stitches left.
What sort of stitch did you use for the blocks?
Just knit, I'm not sure what the stitch is called, just your regular beginner stitch.
How have you been sewing the blocks together?
I have just been stitching them together, as the beginner books say, its very simple, looks nice but doesn't do well under lots of stress.
The yarn I am using is 80% wool and 20% something else I am not sure what possibly rayon. Cheap yarn.
I am weaving in the ends as best as I know how but they usually come out right away I will have to try the method lynn893 mentioned.
I've been away for about a week, I went to visit my oldest DD and have been pretty busy since I got back.
The reason I asked if it was a knit project is that although this is a knitting forum we do get questions that regard crocheted projects as well. So now I know it is knit. That helps me.
Then I wondered about the stitch, because I recently learned a really good technique for hiding in ends (BTW I never use knots myself), and it is really good for stockinette, but works for garter as well, but is a little more complicated. If your project was stockinette I thought it would be great. I think it is great on garter as well, but like I said it is a little harder. Here is a link to a site that explains this duplicate stitch technique for working in ends. I like this because it looks good on both sides and that helps with a blanket project. (It wouldn't work with crochet, that's why I asked.) Take a look at it and try it out. You may already be finished with this project by now, but maybe for next time.
If you use this duplicate stitch technique you can use a fairly long tail and work it in for a couple of inches, and I don't think it will get out of that. Your yarn sounds like it shouldn't be particularly slippery with all that wool in it.
One thing with tails to keep them from coming out is to make them long enough. Real short ones are not a good idea. I hope your project has turned out well.