the process takes 2 hours and costs 50 gp. The cost represents material components you expend as you experiment with the spell to master it, as well as the fine inks you need to record it. Once you have spent this time and money, you can prepare the spell just like your other spells...
Thus, they normally have to be careful about what spells they prepare. Quick Preparation wholly eliminates that restriction. It allows a wizard to load up their spellbook with the kind of spells that need to be used absolutely *NOW* (usually combat spells, but potentially a timely Charm ...
(if you do you learn one/two other spells of your choice) and you always have them prepared, they do not count towards the number you can prepare, also you can cast the Haste spell using a 2nd level spell slot (effecting only you), (you do not get the level 10 benefits when cast...
it should be the sole focus in apportioning Ability Score points. A high Intelligence grants a Wizard a better spell attack, a higher spell save DC and a greater ability to maintain their spells if they're contested after casting. To that end, you'll want...