there are loads of sites you can register with for this.
its usually pretty good money but it depends onthe company howmuch.
the main issues for you is upheaval and inconvenience, and general wear and tear... although breakages would be paid for,you get general grubbiness,and minor chips in paintwork etc - most pro crew are very careful and aware its somebodies home, but crews can consist of 100s ofpeopleand loads of equipment etc.
so you may need tohave carpets cleaned - but thecompanymay cover that cost too-you must ensure it is noted in the deal, as lower budget may consider it part of the fee.
it isnot glamourous and you wont get to hangoutwith the celebs... they will probably allow you a hello,butyou willbe expected to largely leave them it -ifpossible you would be best staying elsewhere,asthey will pretty much take over the place often late intothe night an very earlymornings.
lockupor remove any valuables etc
they may move all your stuff about, needto paint walls, put up shelves etc - but it will be put back as it was after
itcan give you a nice extra bonus, but unlikelyto be very regular - and you wouldnt want it to be
try it and see...whether its for you depends on how you feel about your home being overtaken andliving tosomeone elses schedule for minimum of a week for ashortfilm or 3-6 months for a feature.
goodluck