Trying to time transactions during this gas price surge is difficult. Today is a good day.
The minimum infrastructure necessary for testing blockchain ecosystems (Testnets):
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Bridge -- a way to transfer tokens in and out of the ecosystem
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Exchange -- swap tokens and park money to earn yield
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NFT marketplace -- a place to spend money
A bridge is absolute must, since outside money has to enter the newly created ecosystem. Then an exchange can provide a utility that people can use instantly--changing money. Furthermore, allowing people to park their money, adds to the value of the ecosystem. Finally you need a place to spend money, an NFT store.