I'm not sure who you are using, but lots of low-code platforms let you self deploy across any cloud which will probably solve your 'number 2'. It won't resolve

I'm not sure who you are using, but lots of low-code platforms let you self deploy across any cloud which will probably solve your 'number 2'. It won't resolve your want to be able to migrate to another platform later down the line, but unfortunately that's mostly the same for most enterprise software (i.e. see all ERPs).