Hi there,I hope somebody can help as we are new to all this and we are in the middle of buying a 2 bed property for £73k mortgage is £54,750.00 the deposit is £18.250k made up out of

£4,000.00 Cash from me
£4,000.00 Cash from my partner
£4,500.00 Virgin credit card intrest free 0%
£4,500.00 Egg credit card intrest free 0%
£1,250.00 Barcl credit card intrest free 0%
We will be renting out at £450.00 per month, The monthly income is not what we are after, its remortgaging it as its market value is £113K Thats £40k BMV, how soon after we compleate on this mortgage on the above can we re remortgage to relese the equity to use as the deposit on another 2 BMV properties? Thanks in advance Meurig