For an occasional-use photograph and document scanner, the entry-level flatbed CanoScan LiDE 300 is a good value, but its LiDE 400 sibling is only $20 more and comes with valuable extras.
That said, photo scanners are now niche items ... Sometimes every cent counts. Canon's CanoScan LiDE 300 has only half the resolution and is a tad slower than the LiDE 400 that earned a PCMag ...