Saturday Times Jumbo Cryptic 1050

[MIME007]

I've finished this one, but there are some (infuriating!!) wordplays I cannot yet get, so any help appreciated!
30A. Determine in advance traditional advice for beer in disputed Middle-Eastern area, -R-D-S-I-E. Must be PREDESTINE, and I am OK with taking ALE out of PALESTINE, but how is REDE traditional advice?
41A. Bivalve filled with a mostly very dry seafood, -A-A-A-I. Presume CALAMARI (=seafood() but can't see the rest of the clue.
28D. Building near home is not acceptable to family, O-T-O-S-. I have OUTHOUSE which is building near home, and OUT is unacceptable, but struggling to link HOUSE with family?
31D, Plant pots etc that won't be wanted on computer, S-Y-A-E. I have SPYWARE, but don't see how plant pots etc fits.
My boots are cleaned and laced up ready to administer the self-kicking bit!

[factor-fiction]

Is it like the House of Tudor?

[frugalfred]

30a Rede - advice or counsel given by one person to another.

[factor-fiction]

This dictionary is American I know but it seems iokay and says:

house [n., adj. hous; v. houz] Show IPA noun, plural hous·es [hou-ziz] Show IPA , verb, housed, hous·ing, adjective
noun
1.
a building in which people live; residence for human beings.
2.
a household.
3.
( often initial capital letter ) a family, including ancestors and descendants: the great houses of France; the House of Hapsburg.
4.
a building for any purpose: a house of worship.
5.
a theater, concert hall, or auditorium: a vaudeville house.

[frugalfred]

a spy is a plant; pots = ware

[MIME007]

Thanks factor-fiction and frugalfred (very alliterative!!), these all look right, although I admit I've never come across rede before! Anyone got any ideas on how calamari works (or doesn't!)?

[slaney]

Bivalve=CLAM - filled with A =CALAM
Mostly dry=ARI(d)

[MIME007]

Now that is a proper 'kick yourself'! Thanks, Slaney.