Being that it'll be toward the bottom of the door frame
, it won't be so noticeable, but you'll still have to be prepared to live with an imperfect frame if you go this route. But at the end of it all, you may find that it's best to just start out with better wood even if it is a bit more expensive. Not everyone has what it takes to patiently work with flawed materials and somehow make it turn out like there was nothing wrong. This is something that takes experience, skill, patience, and sometimes just pure luck! Weigh out the pros and cons and don't be penny-wise but pound-foolish! Time is money so you should factor in man-hours on the project when calculating what's more economical.