Technology manufacturers cater to two very large markets with different needs: home users and businesses. You’re about to enter the SoHo (small office, home office) market where home technologies dominate because most single traders don’t need proper business systems with all the extra costs and complications involved.
Some complications are unavoidable. These include, as you know, backup and security, plus things like coping with data protection requirements. But as you will be a startup business working from home, I suggest using home technologies as far as possible. You can move to a business-oriented approach when you need to expand. When that time comes, you will have a much better idea of what you actually need.