With 37 registered extensions, Of course fitplanet.com is the most popular and sold for 3,800 USD

fitplanet.com3,800 USD2022-09-26GoDaddy
21288.com3,525 USD2022-09-26GoDaddy
betzestaffiliates.com3,450 USD2022-09-26GoDaddy
prop2go.com3,055 USD2022-09-26GoDaddy
deweyleboeuf.com3,050 USD2022-09-26GoDaddy
thekingsacademy.com2,988 USD2022-09-26BuyDomains
intelligentedge.com2,709 USD2022-09-26NameJet
homedesignconcepts.com2,288 USD2022-09-26BuyDomains
voicecraft.com2,278 USD2022-09-26NameJet
uvinsurance.com2,125 USD2022-09-26GoDaddy
We are a cheap domains registration, We offer  cheap domain transfer and hosting plus , Website Security Plans for your business.
Note: Please keep in mind that these are top .COM domain sales report on 09/26/2022 that have been reported today 09/27/2022, It is not a complete list.