it seems like everyone says that letters have a better response rate+more deals.i thought postcards were cheaper but postcard stamps look to be only one cent cheaper. i have a thousand bucks to put into a mailing campaign and am not sure which to do and who to target. maybe i should switch it up?

Haven't licked a stamp in years.  

Is there any way to lessen the cost of mailing or is it a standard .49 cents per stamp?

If you just need non-structural drawings for your GC, you can do that yourself using a free CAD program or even in PowerPoint.If you need structural drawings for permits, then you likely need an engineer's stamp, which means you'll have to work with an architect or engineer at some point in the process.

About 200 of them have been sent out, with the other 200 just waiting to be stamped and mailed.

Personally, if I had only $100 I would spend almost all of it on stamps.

Newbie after newby feeling encouraged and those who’ve been around the block putting their stamp of approval on your approach.

First class or standard stamps?

I am purchasing a property in FL via Homesearch.comLooking at the contract it appears that they are trying to sneak in that the buyer will have to pay the doc stamps which is normally something the seller pays.  

Some even include time stamps and dates in the reviews for when they sent an email or had a phone conversation.