Hi ddog1775,

to TR.
You are making the right first stop - gathering information! You will need pumps, a heater,
skimmer, and
live rock. You may want sand for a sandbed - or not. You probably don't want a
wet/dry filter, cannister filter (except for perhaps occasional use as a water polisher) or bio-wheel filter. Shops that try to sell these to you as appropriate or "must have" for a saltwater set-up either are dealing with old information or just don't really know what they are talking about. I would avoid any chain pet store for advice and many
lfs. Test whatever advice you get - ask questions, join a fish club, read good books - check out the TR Library in the Site Navigation pane, and visit TR often!
By plants do you mean
macroalgae, usually used in a
refugium, or decorative plants in a
DT?