Porkbun currently gives you a chance to grab a .com for just $2.9 for 1st year with free Whois privacy protection included.
Porkbun currently selling .com for $3.9, which about 54% off the regular price of $8.56. Your .com domain will get Whois privacy protection, SSL certificate, Email/URL forwarding, from Porkbun without any extra charges.
Mainly if applied the code ‘YEAROFTHEBUN‘ while ordering, you will get an extra $1 off for your cart, drop the cost to $2.9 in total.
Only one .com can be registered at promo price per account, renews for $8.56. You can use Paypal or Credi card for payment.
On the other hand, you may want to take a look at the NameCheap Domain Transfer Day Sale, which gives up to 45% off domain transfers ($5.58 for .COM, $6.58 for .NET, etc.)
Good luck, guys.