Yes, think mainly about whether you have space to set it up beforehand. If you have a dining room or somewhere where you could put up a rigid pool, they look lovely. You can have it all set up, the water is filtered, they will maintain their temperature if you are in there a while.
If, like me, you have a little house and need to use the main living area, an inflatable is your best bet. Most have lids (I believe) to keep it warm for a bit if you don't get in straight away. Do bear in mind the comments about a combi boiler. I don't think filling them from saucepans is much fun, so if your boiler is an issue you might want to think about investing in some huuuuge stock pots.
I wore a bikini top in the pool, but mainly because I thought I was getting in fairly early and may need to get out, stand up, stomp around. I thought that way I could just wrap a towel around my waist. But if I'd realised I would deliver in 40 mins, I'd just have gone in naked. Especially in my own home, where you feel even less inhibited than usual!
Do check where you live and the load bearing abilities of the floor! A full birth pool is mighty heavy (the notes for mine said how much). Ideally, if you are on a floor with joists, you locate it as near a corner as possible. If you are in a flat, it is worth just checking out you are happy with the load. If you are on a solid concrete floor, obviously this is not a worry.
You need a clean hosepipe (they are hard to disinfect, so best to have a new one) and do check that the valve fits on a relevant hot tap. My doula has many horror stories of that not working on the day! Also think about sheeting to keep things dry (ground sheet and cheap shower curtains from B&Q pretty good. You might want a cheapy throw or something from somewhere like Ikea in case you want to get out and sit on a sofa and don't necessarily want to have towels covering every inch. Oh, and lots of towels. Preferably ones it wouldn't break your heart to throw out afterwards.
That's all I can think of right now, but happy to answer any other specific questions if I can. I'm not an expert though, just someone who has had a home water birth myself recently.