How do I start what does it involve

[summersgoneaway]

I eat a lot of carbs and sugar snack a lot

Hello! Come over to the inbetween bootcamps thread and you'll get lots of support.

Have a look at this spreadsheet, the rules for bootcamp are on one of the tabs at the bottom:
docs.google.com/spreadsheets/d/103TaUddLEq2Pb4ofRgsR2sMLkvgN5qK021keqkhFj8Q/edit#gid=0

There is also a really useful cheat sheet on a recent thread by grumpyoldfucker

If you stick to low carb, you'll find you won't need to snack before long!