For me, yes it was time consuming and a huge shock to me with my first child, I was basically stuck on the couch for a lot of the time and found it hard watching the housework pile up and not being able to take a shower whenever I wanted, for example.
With my second child - I realised just how quickly those first weeks pass and was really looking forward to being stuck on the couch having lovely baby cuddles and sleepy feeds again. I felt more at ease with letting the house go to hell for a couple of months as I knew the time would fly by and the baby would reduce feeds eventually.
For me it did hurt quite a lot in the beginning, (first few days,) it took a while for my first baby to get a good latch so although most feeds were fine, sometimes the beginning of feeds hurt a bit, this actually lasted a couple of months (I don't think this is the norm, don't want to scare you but being honest! But to be honest I got used to it. My second baby who was pretty big seemed pretty unhappy with the amount she was getting before my milk finally came in on day 5, so the first few days were very intense and quite painful but after that she was a great feeder and I had/have no discomfort at all.
In the beginning the feeds seemed to be pretty constant, to be honest, but then I was happy to have a sleeping/feeding baby on me for a lot of the day. Probably in reality they'd take 10-30 minutes, but in the space of a couple of months they'd be down to 5 mins per feed or less.
I was determined to breastfeed and I deemed it well worth the initial discomfort to reap the benefits to come. I won't go on about the health benefits to baby and mum but personally I think the idea of FF would be so much more hassle. Cleaning/sterilising bottles, making sure you always have a clean bottle to hand, making up formula, having to take it with you wherever you go, getting up in the middle of the night; going downstairs, making formula, feeding baby, getting everyone back to sleep? Aarghh!
Both my babies woke a daft number of times in the night, maybe pumping them full of formula might have knocked them out a bit but having the milk right there all the time, I expect, makes night feeds sooo much easier. I co-sleep with DD and despite her waking more in the night than DD1 ever did, I am so much more rested as the milk is right there and so I have to wake up very little to settle her in the night. (I breastfed DD1 too but she was much further away from my bed)
The same for getting out and about; the milk is right there so I don't have to worry about packing bottles and whatever else is involved in bottle feeding.
I think lots of people say that breastfeeding is harder in the beginning, but after a while it becomes much easier and much more convenient than bottle feeding.