I did my taxes on line a month ago.My cost for turbo tax was to be $88 plus tax.I went on tonight to file,and it's $143.What happened?

Fees increased on March 1 and increased again on April 1.

How can I see my TurboTax  fees? 

https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-account-billing/review-fees-turbotax-online/L1XnIzgzg_US_en_US?uid=m682vq7k

If your TurboTax fees are higher than expected, you can reduce them by removing add-ons     (BEFORE you e-file) :

• Remove Premium Services
• Remove MAX Defend & Restore
• Remove a state
• Remove PLUS Help & Support
• Remove Pay With Your Refund

You may have entered something that triggered an upgrade to a paid version. The final fees are determined by the forms that are required to complete your individual return.

 You can follow the instructions in this article to remove any  unwanted Fees Why am I being charged for TurboTax Free Edition?

You can review your fees using the instructions below to find out why you're being charged. 

You can review your fees in TurboTax online as follows:

1. Go to the left side of your screen under "Tax Home"
2. Go to "Tax Tools" then "Tools"
3. The "Tools Center" Box will pop up
4. Click on "My Fees" to see a summary of your Turbo Tax Fees.

Your screens will look something like this:

Click here for "How do I review my fees in TurboTax Online?"