If you are looking into hosting a BBS in the cloud I recommend synchronetbbs.org. They have the knowledge and great support around BBS'es to get you going.
Jan Espen Pedersen, https://dasan.no
These are our hosting plans
This is our least expensive plan, with no offsite backups
This is our basic plan, with no offsite backups
$14/month with first month free
Same as basic plan but includes daily offsite backups
$19/month with $2 for first month
Does not include offsite backups
$25/month, with $10 for the first month
Same as Plus Plan but with daily offsite backups
$33/month with $10 for first month
Use this subscription plan if you have a free BBS but want the offsite backup option. This will renew monthly until canceled.
If you want to keep your server after 4/2023 you need to subscribe to this plan.