Thank you for posting here. I understand that you need to make sure that QuickBooks Online fits your business needs before subscribing. That is a smart thing to do.
Please visit https://quickbooks.intuit.com/in/pricing/. It shows you some of the features and frequently asked questions. Also, QuickBooks Online offers a 30-days free trial so you can experience how it really works. You may also want to check the file size and feature limits.
In addition, you can always chat with our Customer Support Team if you have concerns. The new "Help" menu interface:
Click the (?) Help icon and choose the Talk to a human option (then type it again when prompted).
When asked by the bot, enter a short description of your concern.
Select I still need a human, then proceed with Contact us.
Tap Let’s talk then select Start a chat.
For the old "Help" menu:
Click the (?) Help icon, then the Contact Us button.
Enter your question in the What can we help you with field.
If you have to open a new QBO account, make sure to click the Buy button to get the discounted price for up to a few months. If you purchase from the Trial account, you have to pay the regular rate.