As Badger's comments, its no quick job.... I am still working my way through the old halide-archive.. I get about half way through a binder and sort of loose heart, B-U-T Just as an indication,I managed about 2ooo frames last year!!! What's that? About one film a week!
I use a old Scanwit 'dedicated' 35mm scanner; that cost me just shy of £500 back in Y2K, but direct digital cameras didn't come close to matching it's 10Mpix res for a decade! I bought another off e-bay a year or so back, as it came with spare neg carriers & SCSI card... £30! Almost makes me sick!
Anyway!!! This does give suggestion as to potential 'bargains' out there; but beware; a lot of older, higher-end film scanners were SCSI interface; an SCSI card now new, if you can get one, is probably more expensive than the scanner 2nd hand... and that's chunk of the reason the scanner's so cheap.... the SCSI card was left in an old PC chucked out years ago! Any of these SCSI interface scanners will not run on 64bit operatng systems, so Win 7 and up, an you can only put an SCSI card into a desk-top. So you probably want to look for USB scanners.
However, that old Scanwit; chuckes out a healthy 10Mpix and a colour depth far higher than most contemporary DSLR's... but it s 'slow'.. and am not talking about the scan speed... Vuescan does let the hardware breath, and you can use multi-pass over scanning to get some great quality results... but adding over-passes does add to the scan time.... I usually set it up to do a strip of 6, at 12x over-pass, that I reckon is about optimum.. will go up to 20-odd-x ISTR but gains are small for the extra time.
Takes around three quarters of an hour to scan a strip of 6... call it an hour, when you add the time to swap the strips in the holder and run a preview,to check exposure and orientation.... This means practically you do maybe one strip a night, or a film on a Sunday...
And THAT'S just the start.... once scanned, you will want some hefty drive space to store them.... depending on format you are looking at maybe 50Megs a frame.... as captured; tidy them up in Photo-Shop; straighten any skew, crop to conventional aspect ratio, clean up scratches and dust mots, adjust colour and contrast, A-N-D with a non-lossy file format, that can get inflated 2 or 3x... and fill an external hard drive pretty fast!
Scan as, or make a JPG 'display' copy, they may come down to 10M a frame ish... which begs dilemma.... if you are going to get there in the end any way, why not cut to the chase and scan as JPG.. which then begs why bother making a VHQ scan.....
I also have a web-cam-scanner.. sort of little light-box device flogged in ALDI's or Maplins; I think mine cost me about £30 a few years ago.... and the critics are correct, the scan quality is pretty poor in comparison.... these often only run on the supplied software as they aren't strictly a 'scanner' they are a web-cam, being used to take a still image of the neg or slide in a light-box. Quoted Mpix resolutions are also some what erroneous, as they are 'interpolated' ie the pixels the camera makes in an out-put flle not the number it has in its sensor... which s true for most digital optics TBH, but the interpolation inflation on some of these can be quite dire.... I think mine quotes something like 17Mpix.. but it's actually only got a 5Mpix sensor! And that's actually one of the higher sensor res ones! Only 3x interpolation inflation... some of them have far higher interpolation-inflation, and have even lower res sensors.....
HOWEVER....if you just want to see what you got on film.... they are relatively cheap, and easy and convenient, and reasonably 'quick'.... I can do a whole film, in perhaps an hour with one; and you don't get precious about dressing out scratches or corrections in post; you just decide if they are worth keeping or not! A-N-D for web-display, down-sized back to 800x1000, less than 1Mpix, the sort of size you'd stick on Farce-Broke or the like which likely compresses them anyway... they tend to be 'acceptable' if not wonderful....
It IS, though, still a damn chore of a job, and faffing with the scanner, and juggling the strip holders; If Granddad took an 'average' number of photo's a year, from the high-film era.... about 100.. and you have a shoe-box of all his negatives from 40 years of family high-days and holiday when Nan goes in the home, plus those take by the kids with the 110 instamatics, you maybe have 3-4ooo photo's to work through... that's a couple of YEARS worth of work with a high-end scanner doing them 'justice'.. and even with a web-cam-scanner, to just get 'web-proof's you are looking at around 100 hours, just to get them saved to file... that's two and a half full working weeks...... So that's your annual leave taken care of then! Sorry Dear, Turkey's out this year you can put the Thomas Cook brochure down.... I'm going to the study to do photos!
I that context, it really does make you wonder whether paying a pro-scan service to do them for you IS actually worth it!.. May be a big chunk of money compared to a widget from Aldi or Maplns or off e-bay... BUT you still have time to have a life!
Seriously REALLY think it through... I have STOPPED being 'nice' to family and friends when they turn up with carrier bags or shoe-boxes of negatives and photo's, thinking that I can sort them all out, scan them, and post them to Face-Broke IN A EVENING?!, and that Cousin Alison an see them all and tell us who is in them!!! "OK, well, you fire up your computer and stuff, and I'll go make a cuppa, and we can st down and see what we've got!"... No, just NO! But that is the sort of 'expectation' people seem to have!
I really DO like the job.... I honestly do... B-U-T, it palls somewhat when you get the e-mails or phone calls.... "You haven't put up your Uncle Jim's photo's yet? What's the problem? If you cant be BOTHERED!" and so it goes on...... and it doesn't get any better when you HAVE slogged to get them all 'done'.. "Is that ALL of them? There looked more than that in the box!".. yes, well, I didn't bother posting the ones with the thumb infront of the lens, or the ones when no flash was used and it was all black! And THEN, you get blamed for the cruddy colours of forty year old 'free' tru-print flm, and all the scratches.... "Did your machine do all that?" No.. they got scratched when they fell out the sleeved in the draw ad fell down the back of the cupboard twenty years ago, then more when they were swept up and stuck loose in a shoe box! And that's BEFORE you get the family argy bargy over where's the one Dad took of us all on the Beach?,or "Why's there no photos of Gradad in there? or the outrage that Aunt Val never gave her permission for you to post a picture of her half naked... when she was two..... or the one she didn't like the dress she was made to wear at the christening... etc etc etc....
These are just a few of the 'niggles' associated with the chore...
B-U-T... point is, whatever the hardware, its unlikely to be a small job you can do one wet week-end, 'just' to get digi-files to see what you got.... and the cost of the kit, will pall in comparison to the time and effort the job takes.....
My advice is think long and hard what the objective may be..... and how much the job is worth......
A-N-D using a scanner is like using a camera.. the gadget don't do all the work, it takes time and practice to learn how to use it well and get the best from it. You might have to scan 30 films to get the feel for the job and find what sort of settings work best for different negatives... remember, in days of yore, many cameras relied on films exposure latitude and correction in printing, frame by frame to get the exposure near, you have that job to learn and do manually.... there's a pretty steep learning curve to climb to get decent scans, from less certain negs.. and even more, when you have to start recovering ones from the margins, worse still 'restoring' ones that have deteriorated on top.....
It really is a question not of how much the photo's are worth, and how much money you are prepared to pay for a widget but how presentable you want the digi-pics, and how much time you are prepared to put in to get them..... it is a very time consuming task, and lifting the image off the neg into the digi-domain is but the start.
And what scanner, then is probably not the top question in the list, I'm afraid!