Unless you really need assitance with forms or have a very complicated case I cant think why you would pay a solictor. Everyone strugles with forms so many on here aincluding myself have asked questions regarding how to fill in the forms. A answer came back in no time..

Save the money and use the knowledge and experience on here. 2000 pounds would be better in your current account or high interest little difference at the moment it seems which will be of more help towards your application than a solicitor in my view..

If your Mahal has problems and you cant qutie help her with the questions plenty of Visa filling in Tagalog speakers on here