To get an idea of how successful your site could be, use the keyword suggestion tool at:
http://www.digitalpoint.com/tools/su...mes&country=uk
Overture results are given below. Look up other popular terms for comparison, and you will have an idea of the relative potential of the motorhomes sector.
My main comment would be that the chief earner for a motorhome blog would be commission on the selling of motorhomes. You might be able to do this through ebay ads. If you got enough traffic then selling advertising space would be an option. I'm sure there will be some affiliate programmes that would be relevant, e.g. satellite dishes for motorhomes, but as a general view the affiliate networks aren't specifically geared up for motorhomes, you would have to make your own opportunities.
Rgds
Accelerator
Overture
motor home 1,320.1 /day
motor home sales 178.1 /day
motor home hire 139.6 /day
motor home insurance 136.7 /day
motor home for sale 99.2 /day
motor home dealer 85.5 /day
motor home rental 72.0 /day
used motor home 48.1 /day
american motor home 44.7 /day
used motor home for sale 41.7 /day
motor home accessory 37.0 /day
motor home awning 30.0 /day
motor home uk 26.8 /day
motor home loan 21.9 /day
motor home hire uk 21.4 /day
brownhills motor home 20.6 /day
swift motor home 20.4 /day
hymer motor home 19.7 /day
marquis motor home 18.6 /day
motor home holidays 18.5 /day
vw motor home 17.3 /day
rent a motor home 17.0 /day
caravan home motor 15.9 /day
motor home parks 15.7 /day
motor home part 13.2 /day
motor home hire scotland 13.1 /day
cleveland motor home 12.9 /day
motor home conversion 12.0 /day
motor home scotland 11.4 /day
motor home for sale uk 11.3 /day
luxury motor home 11.2 /day
motor home insurance uk 10.8 /day
motor home for sale in uk 10.6 /day
caravan hire motor home trailer 10.5 /day
ci motor home 10.2 /day
new motor home 10.1 /day
motor home dealer wales 9.9 /day
motor home ireland 9.8 /day
motor home rental uk 9.4 /day
fleetwood motor home 9.3 /day
hobby motor home 8.9 /day
used motor home uk 8.7 /day
fiat motor home 8.0 /day
fleetwood home midland motor west 7.9 /day
barrons motor home 7.7 /day
motor home insurance quote 7.6 /day
motor home manufacturer 7.5 /day
motor home hire in scotland 7.4 /day
motor home magazine 7.3 /day
motor home club 7.1 /day
dealer home motor shropshire 6.9 /day
devon motor home 6.9 /day
motor home finance 6.9 /day
adria motor home 6.9 /day
hire motor home oxfordshire 6.9 /day
motor home show 6.9 /day
american motor home for sale 6.8 /day
new zealand motor home 6.8 /day
used diesel motor home 6.8 /day
second hand motor home 6.8 /day
oak tree motor home 6.7 /day
motor home sales uk 6.7 /day
fiat ducato motor home 6.6 /day
mercedes motor home 6.6 /day
airstream motor home 6.5 /day
motor home fact 6.4 /day
lunar motor home 6.4 /day
motor home new zealand rental 6.3 /day
diesel motor home 6.2 /day
burstner motor home 5.9 /day
timberland motor home 5.8 /day
small motor home 5.8 /day
practical motor home 5.7 /day
monaco motor home 5.7 /day
motor home hire new zealand 5.6 /day
motor home australia 5.6 /day
bessacarr motor home 5.6 /day
cheap home insurance motor 5.5 /day
autotrail motor home 5.4 /day
elddis motor home 5.3 /day
motor home insurers 5.1 /day
winnebago motor home 5.1 /day
american motor home uk 5.0 /day
west country motor home 5.0 /day
ford motor home 4.9 /day
ebay motor home 4.8 /day
motor home canada 4.7 /day
brownhills motor home newark 4.7 /day
camper van motor home 4.6 /day
used class a motor home for sale 4.6 /day
self build motor home 4.6 /day
cost of motor home insurance 4.6 /day
secondhand motor home 4.5 /day
used class c motor home 4.4 /day
compass motor home 4.4 /day
a class motor home 4.4 /day
motor home sales shropshire 4.3 /day
motor home safari 4.3 /day
towbar for motor home 4.3 /day
motor home rental in the uk 4.2 /day