strategy Selling strategy to market .com domain to other similar named new TLDs or country alternatives

[LoveCatchyDomains]

As a marketing strategy, has anyone tried to sell their .com names

1) to owners of other tld derivatives. For example, Xmovie.com, to the x.movie owner?
or
2) X.com to X.de, or other country codes?

If so, were you successful and how did you approach those folks?