Welcome to the site! Like others have said collect what you like if that's sets, players, teams, autos, rookies, inserts, patches, jerseys, anything as long as it makes you happy and can keep in your budget.
Here are a lot of the more common terminology. If you see some not on the list and aren't sure just ask the person. We were all newbies at one time
Cmb: check my bucket
Nft: not for trade
Ft: for trade
Pc: personal collection
WTB : willing to buy
WTTF: Willing to trade for
VHTG: very hard to get
HTG: hard to get
lmk: let me know
Like I said if you need anymore just ask the person you are trying to deal with or just post here and ask. Many great members here who would help you out without a question
Here are a lot of the more common terminology. If you see some not on the list and aren't sure just ask the person. We were all newbies at one time
Cmb: check my bucket
Nft: not for trade
Ft: for trade
Pc: personal collection
WTB : willing to buy
WTTF: Willing to trade for
VHTG: very hard to get
HTG: hard to get
lmk: let me know
Like I said if you need anymore just ask the person you are trying to deal with or just post here and ask. Many great members here who would help you out without a question