The phrase "auctions are common" is correct and usable in written English.
You can use it to describe the frequency or prevalence of auctions in a particular context or setting.
Example: "In today's digital marketplace, auctions are common, allowing buyers and sellers to engage in competitive bidding."
Alternatives: "auctions are frequent" or "auctions are prevalent."
Moreover, for "wasteland", like swathes of Tawa's mountain slopes, auctions are common.
While sealed-bid auctions are common for properties foreclosed on by banks — or vacant houses seized by municipalities — they are a relatively new phenomenon for high-end properties.
Though auctions are common for all sorts of products, including electricity that utilities sell one another, experts said that mortgage-backed securities would pose difficult headaches because they are extraordinarily complex, difficult to value and come in almost limitless varieties.
"Daily auctions are common features in mature electronic marketplaces because they provide greater price discovery, liquidity and transparency.
Auctions are common in other equities markets and the markets of other asset classes, and Gemini will employ technology similar to that used by traditional exchanges such as Nasdaq, the New York Stock Exchange and Bats Global Markets.
The diagramed auction was common and gave little away.
The given auction was common, with East not going to five hearts because of the prevailing vulnerability.
These are items that would otherwise have been sold at the live municipal property auctions that are common in cities and towns across the nation.
Moreover, LBO auctions are becoming common; underpriced buyout proposals (including those initiated by management) quickly generate competing bids.
Perhaps not what the neighbours most wanted, but at least it will be occupied.Such auctions are now common in America.
Patent auctions are now common and the purchase or sale of a portfolio is an accepted type of business transaction.
