Will 'Buy it now' items be on ebay for several years/months?

I found a trusted seller on ebay and I was hoping to order from them on April… But will the item still be there? I tried to contract them but I can't, I just wanted to know if it'll be there for April
What do you think?

This is what I wanted to buy - http://www.ebay.co.uk/...0611287149" class='ext_link'>http://www.ebay.co.uk/...0611287149

Also this case - http://www.ebay.co.uk/...1229146709

Depends what kind of buy it now:

If the seller only has one of them and someone else buys it before you do, then it won't be there anymore,

but if its from a company normally or he has over 10 more then there's a big chance it will still be there, you just need to keep checking on it. But lots of people have already brought what you would like to buy and the seller still has more, it should be fine;

my only advise is to keep checking on it cause sometimes the price goes up and they run out of stock.

Hope this helps and hope you'll be able to buy it okay. X

Some listings have a date showing in the area of the "Buy It Now"
link which shows when the listing ends. If there's not a date shown
look through the listing to see if the seller is an authorized dealer of
the item brands. If they are, there's a chance the items might be
available when your ready to purchase. However, they might not be
at the same price listed now, and they may be re-listed with a totally
new item number. The best thing to do is add the seller to your
"Favorite Sellers" list. That way it is easier to check back and look for
the items.