Be smart and be serious about your business. A client that takes a hike bec of occasional downtime wont return and it doesnt gonna help much to build your business. Its all about the service you provide including the availability of your webshop.
However, if you can handle 1 GB of RAM end 1 TB of data, check out cloudways. They propably will perform way better due to their infrastructure. You pay as less as 10 bucks per month for a semi-managed wordpress hosting package that is designed for speed.
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