wigs and body stockings you can get on ebay. the wigs from doll vendor sites fit better though, also be careful with dark wigs as the caps are sometimes black and they can stain
i clean my girls about once a month with wet wipes and baby oil but it depends on the sort of life they have
youll know when she needs powdering as she will feel sticky
quick release neck bolts are great as it makes it so much easier when dressing them. all my girls have them. you can buy them from doll vendor sites or maybe someone here will have some spare ones
can't advise on storage as my girls have the run of the house. they are either in bed, on the sofa or stood in the living room
as for the scent...reminds me of the film sex lives of the potato men