virtue_summer said:
I can't say about your story specifically, but in general I don't think flashbacks are either good or bad. They can be either, depending upon the circumstances and how they're used. Think about the purpose of the flashbacks and that should help you determine if they're necessary.
This seems to me to be the best advise in the last 19 replies. Although your question is framed as one about "flashbacks" it is really about a plot device involving dreams of the past, which, not being the real events but dreams, wouldn't actually be flashbacks at all. Flashbacks are memories of the actual past (although you could argue that memories are often inaccurate.)
I use flashbacks extensively in my novel
Arise Beloved, which will probably annoy some people, but it's the only way I could tell the tale I wanted to tell. The central core of the plot involves two prots (Becky and Gunther) who only meet rather late in the chronology of the story, but whose past lives are important to the caring about what happens to them when they do meet. The primary prot, Becky, gets introduced from the beginning along with some other characters and events in her life. When her life gets really complicated, it's necessary to introduce Gunther who had no place in the story up to that point, so getting the reader up to speed on him and his prior life, and the characters involved in his life, required a lot of back story, which had to be done in flashbacks. Then--and this is where the whole process gets complicated and fraught with peril in writing the story--when I brought the two primary prots together, I had to do some "catch-up" with the first prot--again as flashbacks.
When I first wrote the story, I switched back and forth between the two prots, which got complicated and unnecessarily confusing for the reader, like "But, what happened to Becky?" when all of a sudden, I'm writing about Gunther--raising the inevitable question "Who the hell is this guy and what's he doing in the story?" I couldn't explain his presence because that would have exposed the main plot prematurely.
I could have just abandoned the entire project as being unwritable (and I was advised to do so by one or two critics) if I had been afraid of flashbacks or too much flashback, but I chose to forge ahead, for better or worse, because I wanted to tell the story about Becky and Gunther. I have a plot synopsis at
http://glynnsbooks.com if you're interested. Click on Glynn Harper's novels, then on "Arise Beloved" or go directly to
http://www.glynnsbooks.com/AriseBeloved.html
Sorry to be so long winded.