it doesnt even touch the page load whether you have the additional queries or not though (at least from what Ive seen). all the queries mean, is it's asking the database for more information. on some products, queries matter, but from the testing ive put on my crappy little server sitting next to me i have not noticed any stress at all =) and its just a little ubuntu server i made from old pc parts, so if your site is on a real server youll have no issues =)
found a good article, but this may have to wait =)
https://vborg.vbsupport.ru/showthread.php?t=110628